My Learning Source Colorado › Homeschooling in Colorado › Colorado Education Calendar
Colorado Homeschool Events & Education Calendar
148 upcoming homeschool days, conventions, student competitions, camps, college dates and deadlines across Colorado. New events are added every month.
November 2026
- Sat, Nov 7, 2026 · Denver Arts Week Free Night at the Denver Museum of Nature & Science
Denver · Denver Museum of Nature & Science, 2001 Colorado Blvd · Free general admission (5–10 p.m.)
Free evening admission (5–10 p.m.) during Visit Denver's Night at the Museums, when more than a dozen Denver museums stay open late with free shuttles between them. Planetarium and theater shows cost extra. - Sat, Nov 7, 2026 · Mesa Experience Visit Day (Colorado Mesa University)
Grand Junction · Colorado Mesa University, University Center, Meyer Ballroom · Free
Colorado Mesa University's in-person visit program (9 a.m.–2 p.m.) for prospective students and families. - Sat, Nov 7, 2026 · SAT Weekend Test Date (November 2026)
Statewide · SAT test centers across Colorado · SAT registration fee; late registration costs extra; fee waivers for eligible students
National SAT weekend administration; registration deadline Oct. 23, 2026 (11:59 p.m. ET). - Sat, Nov 7, 2026 · SCFD Free Night: Denver Arts Week Night at the Museum
Denver · Denver Museum of Nature & Science · Free (museum admission free all evening)
Explore art, nature and science at the Museum from 5 to 10 p.m. as it joins Denver's cultural institutions in a free evening celebrating Denver Arts Week. Museum admission is free all evening; a separate ticket is needed for the Sturm… - Sun, Nov 8, 2026 · Incoming! Hard-hitting stories of our cosmic origins
Boulder · Fiske Planetarium
A show about asteroids, comets, and the hard-hitting stories of our cosmic origins, narrated by George Takei. Shown at 1pm. - Tue, Nov 10, 2026 · Social Studies Studio: Winning the Vote
Denver · Molly Brown House Museum
Standards-aligned social studies lesson for grades 2–6 using primary sources, artifact analysis, games, and discussion. Part of the Social Studies Studio series. - Wed, Nov 11, 2026 · Denver Zoo Free Day
Denver · Denver Zoo, City Park · Free (timed tickets)
One of the Denver Zoo's 2026 free days; free tickets are released online on Oct. 28. - Wed, Nov 11, 2026 · Free Entrance Day at National Parks (Veterans Day)
Statewide · National Park Service sites in Colorado that charge an entrance fee · Free entrance for U.S. citizens and residents
The National Park Service waives entrance fees on Veterans Day. Starting in 2026, free entrance days apply to U.S. citizens and residents only. - Wed, Nov 11, 2026 · Homeschool Day: Simple Machines (Western Museum of Mining & Industry)
Colorado Springs · Western Museum of Mining & Industry, 225 N Gate Blvd
A 1–2:30 p.m. homeschool session on simple machines, taught in the classroom, the museum and around the historic campus. - Wed, Nov 11, 2026 · Homeschool Day - Simple Machines
Colorado Springs · Western Museum of Mining & Industry, 225 N Gate Blvd
A monthly homeschool session featuring a STEM or Colorado History topic, with exploration in the classroom, the museum, and the historic Museum Campus, from 1:00 to 2:30 pm. - Thu, Nov 12, 2026 · Butterfly Pavilion Homeschool Day: Invertebrate Adaptations
Westminster · Butterfly Pavilion · $6 per student (August–February); +$3 for a facilitated class;per chaperone
Homeschool day exploring how invertebrates' adaptations let them survive in ecosystems around the world, with self-guided exhibits and an optional 30-minute class with a Butterfly Pavilion educator.- Thu, Nov 12, 2026 · Homeschool Make-a-Masterpiece: Woodlands Style Animal Art (PPLD High Prairie)
Falcon · High Prairie Library, 7035 Old Meridian Rd · Free
A 1–2:30 p.m. art program inspired by Indigenous Canadian artist Norval Morisseau and ancient rock drawings; students make X-ray style animal art.- Fri, Nov 13, 2026 · iFLY STEM Field Trip (Lone Tree)
Lone Tree · iFLY Lone Tree
An iFLY STEM day from 10:00am to 1:00pm with an interactive presentation, lab activity, physics demonstrations in the wind tunnel, and one-on-one flying with a certified flight instructor.- Sat, Nov 14, 2026 · CHEC Casterline Banquet for Single Homeschooling Moms
Elizabeth · Reformation Church, 489 Rocky Cliff Circle · Free (reservation required)
An evening of encouragement for single homeschooling moms: fellowship at 6 p.m., then dinner and an evening program until 8:15 p.m.- Sat, Nov 14, 2026 · CLT (Classic Learning Test) Remote Test Date (November 2026)
Online · Remotely proctored (at home) · CLT registration fee (see cltexam.com)
Remotely proctored CLT administration; registration deadline Nov. 5, 2026.- Sat, Nov 14, 2026 · Denver Zoo Free Day
Denver · Denver Zoo, City Park · Free (timed tickets)
One of the Denver Zoo's 2026 free days; free tickets are released online on Oct. 31.- Sat, Nov 14, 2026 · Emergence: Exploring Quantum Technology Through Music and Dance (CU Science Discovery)
Boulder · Boulder Public Library, Canyon Theater, 1000 Canyon Blvd
An all-ages multimedia performance on quantum science with a NIST quantum physicist, musicians from Grande Orquesta Navarre and tango dancers. Hands-on quantum activities start at 6 p.m.; the show begins at 7 p.m.- Sat, Nov 14, 2026 · Stars & Planets
Boulder · Fiske Planetarium
A tour of the night sky that locates the observable planets, brilliant stars, and some constellations. Shown at 1pm.- Sun, Nov 15, 2026 · Sensory-Friendly Sunday at Fiske Planetarium
Boulder · Fiske Planetarium, University of Colorado Boulder
A 10 a.m. planetarium show for families who benefit from a less dark theater, quieter sound and freedom to move around while exploring science and astronomy.- Sun, Nov 15, 2026 · Sensory-Friendly Sundays
Boulder · Fiske Planetarium
A family session for exploring science and astronomy in a theater that is less dark and less loud, with room to explore at one's own pace. Starts at 10am.- Mon, Nov 16, 2026 · Denver Museum of Nature & Science Free Day
Denver · Denver Museum of Nature & Science, 2001 Colorado Blvd · Free general admission
The museum's last scheduled free day of 2026: free admission to permanent exhibitions and wildlife halls (shows in the Gates Planetarium and Sturm Infinity Theater are extra).- Fri, Nov 20, 2026 · Cheyenne Mountain Zoo Hands-On Homeschool: Teeth, Beaks & Jaws
Colorado Springs · Cheyenne Mountain Zoo, 4250 Cheyenne Mountain Zoo Rd · $30.75 member student; $35.75 non-member student
A three-hour (9 a.m.–noon) hands-on science program on how animals' teeth, beaks and jaws match what they eat, with zoo admission for the student and an animal ambassador meet-and-greet.- Fri, Nov 20, 2026 · Denver Zoo Homeschool Day (Discovery or Secret Science Day)
Denver · Denver Zoo · Free for Member Students |0 for Non-Member Students
A True North Homeschool Day at the Denver Zoo with zoo entrance and all permanent exhibitions, from 11:00am to 2:30pm. This is a Discovery or Secret Science Day.- Sat, Nov 21, 2026 · Astronomy Night at Wings Over the Rockies Exploration of Flight
Englewood · Exploration of Flight, 13005 Wings Way (Centennial Airport)
Stargazing on the tarmac (5:30–8:30 p.m.) with telescopes from the Denver Astronomical Society, talks on the solar system and the life of stars, the Planetary Science Institute and Dark Sky Colorado, plus planet-themed crafts.- Sun, Nov 22, 2026 · Denver Zoo Free Day
Denver · Denver Zoo, City Park · Free (timed tickets)
One of the Denver Zoo's 2026 free days; free tickets are released online on Nov. 8.- Mon, Nov 23, 2026 – Tue, Nov 24, 2026 · Denver Zoo Fall Safari Camp
Denver · Denver Zoo, City Park · $85 per camper per day
One-day camps (9 a.m.–4 p.m.): Find the Feast on Nov. 23 (animal diets) and Enrichment Escapades on Nov. 24 (animal enrichment). Registration closes Nov. 19.- Mon, Nov 23, 2026 – Wed, Nov 25, 2026 · Thanksgiving Break STEAM Camp (Western Museum of Mining & Industry)
Colorado Springs · Western Museum of Mining & Industry, 225 N Gate Blvd
À la carte morning (9 a.m.–noon) and afternoon (1–4 p.m.) STEAM sessions Monday–Wednesday of Thanksgiving week; themes change daily.- Mon, Nov 23, 2026 · Fall Safari Camp - Denver Zoo
Denver · Denver Zoo (Denver Zoo Conservation Alliance), 2300 Steele St.
A one-day fall camp that gets kids outside, curious, and hands-on with nature. The page lists the camp for November 23 and 24.- Mon, Nov 23, 2026 · Thanksgiving Break STEAM Camp AM Session
Colorado Springs · Western Museum of Mining & Industry, 225 N Gate Blvd
Morning à la carte Thanksgiving break STEAM camp from 9 am to 12 pm, with themes varying daily for grades 3-5. Families can attend one morning or all three.- Mon, Nov 23, 2026 · Thanksgiving Break STEAM Camp (AM and PM sessions)
Colorado Springs · Western Museum of Mining and Industry
Thanksgiving Break STEAM Camp with a 9:00 am to 12:00 pm morning session and a 1:00 pm to 4:00 pm afternoon session on Monday, November 23, 2026.- Tue, Nov 24, 2026 · Fall Safari Camp - Denver Zoo
Denver · Denver Zoo (Denver Zoo Conservation Alliance), 2300 Steele St.
A one-day fall camp that gets kids outside, curious, and hands-on with nature. The page lists the camp for November 23 and 24.- Tue, Nov 24, 2026 · Thanksgiving Break STEAM Camp AM Session
Colorado Springs · Western Museum of Mining & Industry, 225 N Gate Blvd
Morning à la carte Thanksgiving break STEAM camp from 9 am to 12 pm, with themes varying daily for grades 3-5. Families can attend one morning or all three.- Tue, Nov 24, 2026 · Thanksgiving Break STEAM Camp (AM and PM sessions)
Colorado Springs · Western Museum of Mining and Industry
Thanksgiving Break STEAM Camp with a 9:00 am to 12:00 pm morning session and a 1:00 pm to 4:00 pm afternoon session on Tuesday, November 24, 2026.- Wed, Nov 25, 2026 · Thanksgiving Break STEAM Camp AM Session
Colorado Springs · Western Museum of Mining & Industry, 225 N Gate Blvd
Morning à la carte Thanksgiving break STEAM camp from 9 am to 12 pm, with themes varying daily for grades 3-5. Families can attend one morning or all three.- Wed, Nov 25, 2026 · Thanksgiving Break STEAM Camp (AM and PM sessions)
Colorado Springs · Western Museum of Mining and Industry
Thanksgiving Break STEAM Camp with a 9:00 am to 12:00 pm morning session and a 1:00 pm to 4:00 pm afternoon session on Wednesday, November 25, 2026.December 2026
- Fri, Dec 4, 2026 · Homeschool Book Blast (PPLD East Library)
Colorado Springs · East Library, 5550 N Union Blvd (Community Room/Annex) · Free
Homeschoolers present creative book reports (dioramas, games, comics and more) to other families in a science-fair format, 1–2 p.m. - Fri, Dec 4, 2026 · Homeschool Book Blast
Colorado Springs
Homeschool students prepare a creative book report at home and present it informally to other families, in a science fair-style format. The event runs Fri., Dec. 4, 2026 from 1 to 2 p.m. - Sat, Dec 5, 2026 · SAT Weekend Test Date (December 2026)
Statewide · SAT test centers across Colorado · SAT registration fee; late registration costs extra; fee waivers for eligible students
National SAT weekend administration; registration deadline Nov. 20, 2026 (11:59 p.m. ET). - Mon, Dec 7, 2026 · Denver Museum of Nature & Science Homeschool Day
Denver · The Denver Museum of Nature & Science · Free for Member Students |0 for Non-Member Students. Chaperone fees apply.
A self-guided tour of the Museum that includes museum entrance and all permanent exhibitions, from 10:00am to 2:00pm.- Tue, Dec 8, 2026 · CLT (Classic Learning Test) Remote Test Date (December 2026)
Online · Remotely proctored (at home) · CLT registration fee (see cltexam.com)
Remotely proctored CLT administration; registration deadline Dec. 3, 2026.- Tue, Dec 8, 2026 · Homeschool Days: Deck the Halls!
Denver · Molly Brown House Museum
Hands-on workshop with crafts, making, experiments, and interactive stations for ages 5–12 and their caregivers. Inspired by the people, stories, and objects of the museum.- Wed, Dec 9, 2026 · Homeschool Day: Mine Drift Model (Western Museum of Mining & Industry)
Colorado Springs · Western Museum of Mining & Industry, 225 N Gate Blvd
A 1–2:30 p.m. homeschool session where students build a model of a mine drift, part of WMMI's monthly STEM and Colorado history series.- Wed, Dec 9, 2026 · Homeschool Day - Mine Drift Model
Colorado Springs · Western Museum of Mining and Industry
A Homeschool Day at WMMI on the Mine Drift Model on December 9, 2026.- Sat, Dec 12, 2026 · ACT National Test Date (December 2026)
Statewide · ACT test centers across Colorado · ACT registration fee; fee waivers available to eligible students
National Saturday ACT administration; registration deadline Nov 6 (late: Nov 29), 11:59 pm Central.- Tue, Dec 15, 2026 · Colorado Science Olympiad: Early Bird Registration Ends
Online · scilympiad.com/co ·75 per team until Dec. 15;00 per team after
Last day to register a Colorado Science Olympiad team at the75 early rate; final registration closes Feb. 1, 2027, when team numbers are assigned.0 per family (covers the whole family plus grandparents)- Tue, Dec 15, 2026 · MATHCOUNTS: Regular Registration Deadline
Online · mathcounts.org · $48 per student for schools; $75 per non-school competitor (rises to $53 and $85 after Dec. 15)
Last day to register for the 2026–27 MATHCOUNTS Competition Series (grades 6–8) at the regular price. Colorado chapter contests follow in February.- Mon, Dec 21, 2026 – Mon, Jan 4, 2027 · Denver Zoo Winter Safari Camp
Denver · Denver Zoo, City Park · $85 per camper per day
Single-day camps (9 a.m.–4 p.m.) on Dec. 21, 22, 28, 29, 30 and Jan. 4, each with its own theme, from cold-weather animals to rainforests and ocean life.- Mon, Dec 28, 2026 – Wed, Dec 30, 2026 · Winter Break STEAM Camp (Western Museum of Mining & Industry)
Colorado Springs · Western Museum of Mining & Industry, 225 N Gate Blvd
À la carte morning and afternoon STEAM sessions Dec. 28–30 with daily changing themes.- Mon, Dec 28, 2026 · Winter STEaM Camp
Colorado Springs · Western Museum of Mining and Industry
Winter STEaM Camp at WMMI, running December 28 to 30, 2026. Session times are not listed on the page.- Tue, Dec 29, 2026 · Winter STEaM Camp
Colorado Springs · Western Museum of Mining and Industry
Winter STEaM Camp at WMMI, running December 28 to 30, 2026. Session times are not listed on the page.- Wed, Dec 30, 2026 · Winter STEaM Camp
Colorado Springs · Western Museum of Mining and Industry
Winter STEaM Camp at WMMI, running December 28 to 30, 2026. Session times are not listed on the page.January 2027
- Fri, Jan 1, 2027 · National History Day in Colorado: Student Registration Opens
Online · ZFairs (online)
Student registration for the 2027 National History Day in Colorado contest cycle opens Jan. 1 at 8 a.m. for all regional contests. - Wed, Jan 6, 2027 · Teen Curator Club: Museum Deep Clean
Denver · Molly Brown House Museum
Exclusive Teen Curator Club experience for ages 13–17 that includes caring for the historic house. Teens can also explore behind-the-scenes spaces. - Thu, Jan 7, 2027 · Homeschool: Winter Wonders: Snowflake Science and Art (PPLD Ruth Holley)
Colorado Springs · Ruth Holley Library, 685 N Murray Blvd · Free
A 2–3 p.m. hands-on program on snowflake symmetry and six-sided designs; participants design snowflakes with 3D pens. - Fri, Jan 8, 2027 · Homeschool: Explore Owl Pellets (PPLD Monument Library)
Monument · Monument Library, 1706 Lake Woodmoor Dr · Free
An on-the-road program from PPLD's Educational Resource Center (2–3 p.m.): students dissect owl pellets and identify the small animals in an owl's last meal. - Sat, Jan 9, 2027 · CHEC High School and Beyond Seminar
Aurora · Mount Olive Lutheran Church, 11453 E Wesley Ave · $69 per family (covers the whole family plus grandparents)
All-day seminar (8:30 a.m.–4:30 p.m.) from veteran homeschool parents and graduates on four-year high school plans, credits, transcripts, record keeping and preparing for college or career. Lunch is provided. - Sat, Jan 9, 2027 · CHEC Introduction to Homeschooling Seminar
Aurora · Mount Olive Lutheran Church, 11453 E Wesley Ave ·
Half-day seminar (8:30 a.m.–noon) where experienced homeschool parents cover Colorado's legal options, the difference between filing a Notice of Intent and enrolling in an independent school, and choosing curriculum.- Sat, Jan 9, 2027 – Sun, Jan 24, 2027 · National Western Stock Show
Denver · National Western Complex
The 121st National Western Stock Show: 16 days of livestock shows and rodeo in Denver.- Mon, Jan 11, 2027 · Denver Museum of Nature & Science Homeschool Day
Denver · The Denver Museum of Nature & Science · Free for Member Students |0 for Non-Member Students. Chaperone fees apply.
A self-guided tour of the Museum that includes museum entrance and all permanent exhibitions, from 10:00am to 2:00pm.- Wed, Jan 13, 2027 · Keystone Science School Summer Camp 2027 Registration Opens
Keystone · Keystone Science School
Enrollment for 2027 summer camps opens in timed windows on Jan. 13 (day camp, Pathfinders, Adventures, Discovery overnight camp and CAP counselor assistant programs). Sessions can fill within minutes.- Wed, Jan 13, 2027 · Summer Camp 2027 registration opens
Keystone · Keystone Science School
Registration for Summer 2027 camp at Keystone Science School opens January 13, 2027.- Thu, Jan 21, 2027 · National Western Stock Show with True North (Thursday)
Denver · National Western Complex · Free tickets for True North Adventure Pass Holders and Members (registration still required). $5 per person for Non-Members. Member 1:30pm Pro Rodeo tickets8 per person.
A group outing to the annual Colorado livestock, rodeo, and horse show from 10:00am to 3:00pm. This is an all-age event.- Fri, Jan 22, 2027 · National Western Stock Show with True North (Friday)
Denver · National Western Complex · Free tickets for True North Adventure Pass Holders and Members (registration still required). $5 per person for Non-Members. Member 1:30pm Pro Rodeo tickets $35 per person.
A group outing to the annual Colorado livestock, rodeo, and horse show from 10:00am to 3:00pm. This is an all-age event.- Sat, Jan 23, 2027 · CLT (Classic Learning Test) Remote Test Date (January 2027)
Online · Remotely proctored (at home) · CLT registration fee (see cltexam.com)
Remotely proctored CLT administration; registration deadline Jan. 14, 2027.- Sat, Jan 23, 2027 · Southern Colorado Invitational
Not stated · Merit Academy
Science Olympiad invitational hosted at Merit Academy. Contact Tim Lundt at southcoscio@gmail.com for details.- Thu, Jan 28, 2027 · Homeschool Field Trip: Molly Brown House Museum
Denver · Molly Brown House Museum
Guided field trip for learners ages 6 and up to explore Colorado history where it happened.- Sat, Jan 30, 2027 · CHEC Homeschool Spelling Bee
Castle Rock · Calvary Castle Rock, 1480 Canyon Dr · $30 per student (register by Jan. 23, 2027)
CHEC's homeschool spelling bee (8 a.m.–12:30 p.m.). The written round also serves as the qualifying round for the Colorado statewide bee; study list is the 2027 Words of the Champions.- Sat, Jan 30, 2027 · Northern Colorado Science Olympiad Invitational
Loveland · Thompson Valley High School
A practice invitational tournament ahead of the Colorado regional and state Science Olympiad tournaments.February 2027
- Mon, Feb 1, 2027 – Wed, Feb 10, 2027 · Cheyenne Mountain Zoo Summer Teen Programs: Application Window
Colorado Springs · Cheyenne Mountain Zoo, 4250 Cheyenne Mountain Zoo Rd
Applications for the zoo's summer 2027 teen session (program runs June 1–Aug. 8, 2027) are open Feb. 1–10; no late applications are accepted. - Mon, Feb 1, 2027 · FINAL Registration Ends (team numbers assigned)
Online · Colorado Science Olympiad registration
Final Colorado Science Olympiad registration closes on February 1, when team numbers are assigned. - Mon, Feb 1, 2027 · Denver Museum of Nature & Science Homeschool Day
Denver · The Denver Museum of Nature & Science · Free for Member Students |0 for Non-Member Students. Chaperone fees apply.
A self-guided tour of the Museum that includes museum entrance and all permanent exhibitions, from 10:00am to 2:00pm.- Thu, Feb 4, 2027 – Sat, Feb 6, 2027 · CCIRA Conference on Literacy
Denver · DoubleTree by Hilton Hotel Denver, 3203 Quebec St
The Colorado Council International Reading Association's annual literacy conference for teachers and literacy educators.- Thu, Feb 4, 2027 · CCIRA Conference 2027
Denver · DoubleTree by Hilton Hotel, 3203 Quebec St., Denver, CO
The 2027 CCIRA Conference begins Thursday, February 4, 2027 at 8:00 a.m. at the DoubleTree by Hilton Hotel in Denver. Attendees can earn 1 hour of college credit by viewing 15 hours of keynotes and sessions and keeping an attendance log.- Fri, Feb 5, 2027 · National History Day in Colorado: San Luis Valley Regional Contest
Alamosa · Adams State University, 208 Edgemont ·0 per student via ZFairs
The San Luis Valley regional contest of National History Day in Colorado; registration and fees are due Jan. 20, 2027 at 5 p.m. Top-three finishers advance to the state contest April 24.- Fri, Feb 5, 2027 · Campers in STEM: Astronomy
Keystone · Keystone Science School
Listed among Keystone Science School's School Year Camps, with a February 5th, 2027 date. The page gives no further details.- Mon, Feb 8, 2027 · Homeschool Days: Victorian Valentines
Denver · Molly Brown House Museum
Hands-on workshop with crafts, making, experiments, and interactive stations for ages 5–12 and their caregivers, inspired by the museum's objects and stories.- Tue, Feb 9, 2027 · San Juan Basin Regional Science & Engineering Fair
Durango · Fort Lewis College
Regional science fair for Archuleta, Dolores, Hinsdale, La Plata, Montezuma and San Juan counties; selected finalists advance to the Colorado Science & Engineering Fair, registering in MySciFair by Feb. 22, 2027.- Thu, Feb 11, 2027 · Longs Peak Regional Science & Engineering Fair
Greeley · University of Northern Colorado
Regional science fair for Larimer, Jackson and Weld counties; selected finalists advance to the Colorado Science & Engineering Fair, registering in MySciFair by Feb. 23, 2027.- Sat, Feb 13, 2027 · Choose CSU Admitted Student Day (Colorado State University)
Fort Collins · Colorado State University
A day-long event for admitted students, families and guests; a second Choose CSU date is Saturday, April 3, 2027.- Wed, Feb 17, 2027 · East Central Colorado Regional Science Fair
Hugo · Lincoln County Fairgrounds
Regional science fair for Kit Carson and Lincoln counties; selected finalists advance to the Colorado Science & Engineering Fair, registering in MySciFair by March 1, 2027.- Thu, Feb 18, 2027 · CLT (Classic Learning Test) Remote Test Date (February 2027)
Online · Remotely proctored (at home) · CLT registration fee (see cltexam.com)
Remotely proctored CLT administration; registration deadline Feb. 11, 2027.- Fri, Feb 19, 2027 · Arkansas Valley Regional Science Fair
La Junta · Otero College
Regional science fair for Crowley, Huerfano, Las Animas and Otero counties; selected finalists advance to the Colorado Science & Engineering Fair, registering in MySciFair by March 3, 2027.- Fri, Feb 19, 2027 – Sun, Feb 21, 2027 · CoorsTek Denver Metro Regional Science & Engineering Fair
Denver · University of Colorado Denver
Regional science fair for Adams, Arapahoe, Broomfield, Clear Creek, Denver, Douglas, Jefferson and Summit counties (judging on the first day, awards on the last); selected finalists advance to the Colorado Science & Engineering Fair,…- Fri, Feb 19, 2027 – Sat, Feb 20, 2027 · San Luis Valley Regional Science Fair
Monte Vista · SLV Ski Hi Complex
Regional science fair for Alamosa, Chaffee, Conejos, Costilla, Mineral, Rio Grande and Saguache counties (judging on the first day, awards on the last); selected finalists advance to the Colorado Science & Engineering Fair, registering in…- Fri, Feb 19, 2027 – Sun, Feb 21, 2027 · Girls in STEM: Fire & First Responders
Keystone · Keystone Science School
A Girls in STEM program where participants learn about common medical emergencies and how firefighters are trained and equipped for rapid care.- Sat, Feb 20, 2027 · MATHCOUNTS Metro Chapter Competition (Denver)
Denver · University of Denver, Sturm Hall (E Asbury Ave and S Race St)
The MATHCOUNTS chapter competition for Arapahoe, Denver and Douglas counties. Top teams and individuals advance to the Colorado state competition; nationals are May 9–10, 2027 in Washington, D.C.- Sat, Feb 20, 2027 · National History Day in Colorado: Grand Junction Regional Contest
Grand Junction · Caprock Academy, 714 24 1/2 Rd ·0 per student via ZFairs25 full pay; $55 free/reduced-lunch rate
The Grand Junction regional contest of National History Day in Colorado; registration and fees are due Feb. 5, 2027 at 5 p.m. Top-three finishers advance to the state contest April 24.- Mon, Feb 22, 2027 – Tue, Feb 23, 2027 · Morgan-Washington Bi-County Regional Science Fair
Brush · Brush High School
Regional science fair for Morgan and Washington counties (judging on the first day, awards on the last); selected finalists advance to the Colorado Science & Engineering Fair, registering in MySciFair by March 8, 2027.- Thu, Feb 25, 2027 · Homeschool Field Trip: Daniels and Fisher Clocktower
Denver · Daniels and Fisher Clocktower
Guided field trip for learners ages 6 and up to explore Colorado history at the Daniels and Fisher Clock Tower.- Fri, Feb 26, 2027 – Sun, Feb 28, 2027 · Girls in STEM: Fire & First Responders (Keystone Science School)
Keystone · Keystone Science School ·
A weekend overnight program where girls learn how firefighters respond to medical and fire emergencies and meet women working as first responders. Price includes dorm lodging, meals and supplies.- Fri, Feb 26, 2027 – Sun, Feb 28, 2027 · Fire & First Responders (Girls in STEM)
Keystone · Keystone Science School
Listed under the Girls in STEM programs with dates of February 26-28, 2027. The page gives no further details.- Sat, Feb 27, 2027 · ACT National Test Date (February 2027)
Statewide · ACT test centers across Colorado · ACT registration fee; fee waivers available to eligible students
National Saturday ACT administration; registration deadline Jan 22 (late: Feb 9), 11:59 pm Central.- Sat, Feb 27, 2027 · Colorado Science Olympiad Southern Regional Tournament
Pueblo · Colorado State University Pueblo
Regional tournament for southern Colorado Science Olympiad teams; top teams advance to the state tournament at UCCS on March 27.- Sat, Feb 27, 2027 · National History Day in Colorado: Northeast Metro Regional Contest
Westminster · Crown Pointe Academy, 2900 W 86th Ave ·0 per student via ZFairs
The Northeast Metro regional contest of National History Day in Colorado; registration and fees are due Feb. 12, 2027 at 5 p.m. Top-three finishers advance to the state contest April 24.- Sat, Feb 27, 2027 – Wed, Mar 3, 2027 · Pikes Peak Regional Science & Engineering Fair
Colorado Springs · University of Colorado Colorado Springs (awards at Library 21c)
Regional science fair for Elbert, El Paso, Park and Teller counties (judging on the first day, awards on the last); selected finalists advance to the Colorado Science & Engineering Fair, registering in MySciFair by March 9, 2027.March 2027
- Mon, Mar 1, 2027 – Wed, Mar 3, 2027 · Boulder Valley (Corden Pharma) Regional Science Fair
Boulder · BVSD Education Center, 6500 Arapahoe Rd
Regional science fair for Boulder and Gilpin counties (judging on the first day, awards on the last); selected finalists advance to the Colorado Science & Engineering Fair, registering in MySciFair by March 9, 2027. - Tue, Mar 2, 2027 – Thu, Mar 4, 2027 · Southern Colorado Regional STEM Fair
Pueblo · Colorado State University Pueblo
Regional science fair for Custer, Fremont and Pueblo counties (judging on the first day, awards on the last); selected finalists advance to the Colorado Science & Engineering Fair, registering in MySciFair by March 9, 2027. - Tue, Mar 2, 2027 · Teen Curator Club: Museum Careers 101
Denver · Molly Brown House Museum
Exclusive Teen Curator Club experience for ages 13–17 that offers a deeper look at museum work and preservation. - Thu, Mar 4, 2027 – Fri, Mar 5, 2027 · Colorado Charter Schools Annual Conference
Aurora · Gaylord Rockies Resort and Convention Center · Fall pricing (through Oct. 2026): $450 members; $525 non-members; later prices not posted
The Colorado League of Charter Schools' two-day conference for charter school leaders, educators, board members and partners, with workshops and keynote speakers. - Sat, Mar 6, 2027 · Colorado Science Olympiad Northern Regional Tournament
Fort Collins · Fossil Ridge High School
Regional tournament for northern Colorado Science Olympiad teams; top teams advance to the state tournament at UCCS on March 27. - Sat, Mar 6, 2027 · National History Day in Colorado: Pikes Peak Regional Contest
Colorado Springs · Colorado College, 14 E Cache La Poudre St · $5 per student via ZFairs
The Pikes Peak regional contest of National History Day in Colorado; registration and fees are due Feb. 15, 2027 at 5 p.m. Top-three finishers advance to the state contest April 24. - Sat, Mar 6, 2027 · SAT Weekend Test Date (March 2027)
Statewide · SAT test centers across Colorado · SAT registration fee; late registration costs extra; fee waivers for eligible students
National SAT weekend administration; registration deadline Feb. 19, 2027 (11:59 p.m. ET). - Sun, Mar 7, 2027 · Poetry Out Loud: State Contest Deadline
Statewide · Colorado Poetry Out Loud state contest
Poetry Out Loud requires every state to finish its state contest by March 7, 2027; state champions recite at the national finals in Washington, D.C., April 26–28, 2027. - Tue, Mar 9, 2027 · Social Studies Studio: Denver Grows
Denver · Molly Brown House Museum
Standards-aligned social studies lesson for grades 2–6 using primary sources, artifact analysis, games, and discussion. Part of the Social Studies Studio series. - Wed, Mar 10, 2027 · Poetry Out Loud 2027 State Champion and Chaperone Registration Deadline
Colorado
Wednesday, March 10, 2027 is the deadline to register state champions and chaperones for the 2027 Poetry Out Loud finals. - Fri, Mar 12, 2027 · National History Day in Colorado: Durango/Four Corners Regional Contest
Durango · Fort Lewis College, 1000 Rim Dr · $6 per student via ZFairs
The Durango/Four Corners regional contest of National History Day in Colorado; registration and fees are due Feb. 22, 2027 at 5 p.m. Top-three finishers advance to the state contest April 24. - Sat, Mar 13, 2027 · CHEC Refresh Ladies Conference
Elizabeth · Reformation Church – Annex, 489 Rocky Cliff Circle · $39 regular; $49 at the door
A one-day (8 a.m.–4:30 p.m.) Christ-centered conference for homeschool moms with speakers, fellowship and encouragement for marriage, motherhood and homeschooling. - Sat, Mar 13, 2027 · National History Day in Colorado: Southwest Denver Metro Regional Contest
Lakewood · Bear Creek High School, 9800 W Dartmouth Pl ·0 per student via ZFairs
The Southwest Denver Metro regional contest of National History Day in Colorado; registration and fees are due Feb. 22, 2027 at 5 p.m. Top-three finishers advance to the state contest April 24.- Fri, Mar 19, 2027 · National History Day in Colorado: Southeast Colorado Regional Contest
Pueblo · Pleasant View Middle School, 23600 Everett Blvd ·0 per student via ZFairs
The Southeast Colorado regional contest of National History Day in Colorado; registration and fees are due March 5, 2027 at 5 p.m. Top-three finishers advance to the state contest April 24.- Sat, Mar 20, 2027 · CLT (Classic Learning Test) Remote Test Date (March 2027)
Online · Remotely proctored (at home) · CLT registration fee (see cltexam.com)
Remotely proctored CLT administration; registration deadline March 11, 2027.- Sat, Mar 20, 2027 · National History Day in Colorado: Denver Schools Regional Contest
Denver · University of Colorado Denver, Student Commons Building, 1201 Larimer St ·0 per student via ZFairs
The Denver Schools regional contest of National History Day in Colorado; registration and fees are due March 5, 2027 at 5 p.m. Top-three finishers advance to the state contest April 24.- Fri, Mar 26, 2027 · National History Day in Colorado: Northern Colorado Regional Contest
Greeley · University of Northern Colorado, 501 20th St · $5 per student via ZFairs
The Northern Colorado regional contest of National History Day in Colorado; registration and fees are due March 8, 2027 at 5 p.m. Top-three finishers advance to the state contest April 24.- Sat, Mar 27, 2027 · Colorado Science Olympiad State Tournament
Colorado Springs · University of Colorado Colorado Springs (UCCS)
The Colorado state Science Olympiad tournament for teams that qualified at the northern and southern regionals; state winners advance to nationals.- Sat, Mar 27, 2027 · National History Day in Colorado: Boulder Regional Contest
Boulder · Manhattan Middle School ·0 per student via ZFairs
The Boulder regional contest of National History Day in Colorado; registration and fees are due March 5, 2027 at 5 p.m. Top-three finishers advance to the state contest April 24.April 2027
- Wed, Apr 7, 2027 – Sat, Apr 10, 2027 · FIRST Robotics Competition Denver Regional
Denver · Daniel L. Ritchie Center, University of Denver, 2240 Buchtel Blvd
A FIRST Robotics Competition regional (Week 6) for high school robotics teams from Colorado and neighboring states; capacity 28 teams. - Thu, Apr 8, 2027 – Sat, Apr 10, 2027 · Colorado Science & Engineering Fair (CSEF)
Fort Collins · Colorado State University · $45 per student finalist (due April 1)
The state science and engineering fair for finalists chosen at Colorado's regional fairs, with an exhibit hall, judging interviews and a livestreamed awards ceremony. - Fri, Apr 9, 2027 – Sun, Apr 11, 2027 · Interstate Engineering (Girls in STEM)
Keystone · Keystone Science School
Listed under the Girls in STEM programs with dates of April 9-11, 2027. The page gives no further details. - Sat, Apr 10, 2027 · ACT National Test Date (April 2027)
Statewide · ACT test centers across Colorado · ACT registration fee; fee waivers available to eligible students
National Saturday ACT administration; registration deadline March 5 (late: March 23), 11:59 pm Central. - Thu, Apr 15, 2027 · Colorado Income Tax Returns Due (Tax Year 2026)
Statewide · Colorado Department of Revenue
Colorado individual income tax returns are due April 15. To avoid penalties, at least 90% of the tax owed must be paid by this date, even when using the automatic extension. - Thu, Apr 15, 2027 · Deadline to qualify for Silver and Gold Level prizes and drawings (National Math Club)
Online
April 15, 2027 is the deadline to qualify for Silver and Gold Level prizes and drawings. Applications and information are on the Club Leader Dashboard. - Fri, Apr 16, 2027 – Sat, Apr 17, 2027 · CAPE-NM Christian Homeschool Convention (Albuquerque)
Albuquerque · Legacy Church of Albuquerque, 7201 Central Ave NW
New Mexico's 30th-year Christian homeschool convention, a short drive for southern Colorado families. A free Getting Started workshop runs 6:30–8:30 p.m. on April 15, 2027. - Sat, Apr 17, 2027 · CLT (Classic Learning Test) Remote Test Date (April 2027)
Online · Remotely proctored (at home) · CLT registration fee (see cltexam.com)
Remotely proctored CLT administration; registration deadline April 8, 2027. - Sat, Apr 24, 2027 · National History Day in Colorado State Contest
Denver · University of Colorado Denver, 1201 Larimer St · $35 per student via ZFairs
The state contest for regional qualifiers (registration March 15–April 2, 2027; all project paperwork due April 8). First- and second-place finishers advance to the national contest at the University of Maryland in June.
May 2027
- Sat, May 1, 2027 · SAT Weekend Test Date (May 2027)
Statewide · SAT test centers across Colorado · SAT registration fee; late registration costs extra; fee waivers for eligible students
National SAT weekend administration; registration deadline Apr. 16, 2027 (11:59 p.m. ET). - Mon, May 3, 2027 – Fri, May 14, 2027 · AP Exams (May 2027)
Statewide · Participating schools and test sites in Colorado · AP exam fee
2027 AP Exams run over two weeks, May 3–7 and May 10–14, with morning and afternoon sessions. - Sat, May 8, 2027 · National History Day in Colorado Elementary MiniBoard Contest
Denver · University of Colorado Denver, Student Commons Building, 1201 Larimer St ·0 per student via ZFairs
A history project contest for 4th and 5th graders; registration and fees are due April 23, 2027 and paperwork April 26, 2027.- Sat, May 22, 2027 · CLT (Classic Learning Test) Remote Test Date (May 2027)
Online · Remotely proctored (at home) · CLT registration fee (see cltexam.com)
Remotely proctored CLT administration; registration deadline May 13, 2027.June 2027
- Sat, Jun 5, 2027 · SAT Weekend Test Date (June 2027)
Statewide · SAT test centers across Colorado · SAT registration fee; late registration costs extra; fee waivers for eligible students
National SAT weekend administration; registration deadline May 21, 2027 (11:59 p.m. ET). - Sun, Jun 6, 2027 – Fri, Jun 11, 2027 · YMCA Camp Tumbleson Lake Session 1 (Overnight Camp)
Ward · YMCA Camp Tumbleson Lake
Overnight lakeside camp session on 300 acres near Ward, Colorado, for children ages 6-17, with outdoor adventures and nature education. - Sat, Jun 12, 2027 · ACT National Test Date (June 2027)
Statewide · ACT test centers across Colorado · ACT registration fee; fee waivers available to eligible students
National Saturday ACT administration; registration deadline May 7 (late: May 25), 11:59 pm Central. - Sun, Jun 13, 2027 – Fri, Jun 18, 2027 · YMCA Camp Tumbleson Lake Session 2 (Overnight Camp)
Ward · YMCA Camp Tumbleson Lake
Overnight lakeside camp session on 300 acres near Ward, Colorado, for children ages 6-17, with outdoor adventures and nature education. - Thu, Jun 17, 2027 – Sat, Jun 19, 2027 · CHEC Rocky Mountain Homeschool Conference
Denver · Denver Marriott Tech Center
Christian Home Educators of Colorado's annual homeschool conference with speakers, children's activities and a large exhibit hall (grand opening Thursday evening June 17, open Friday and Saturday). A free bonus day is held Wednesday, June… - Thu, Jun 17, 2027 · CLT (Classic Learning Test) Remote Test Date (June 2027)
Online · Remotely proctored (at home) · CLT registration fee (see cltexam.com)
Remotely proctored CLT administration; registration deadline June 10, 2027. - Sun, Jun 20, 2027 – Fri, Jun 25, 2027 · YMCA Camp Tumbleson Lake Session 3 (Overnight Camp)
Ward · YMCA Camp Tumbleson Lake
Overnight lakeside camp session on 300 acres near Ward, Colorado, for children ages 6-17, with outdoor adventures and nature education. - Sun, Jun 27, 2027 – Fri, Jul 2, 2027 · YMCA Camp Tumbleson Lake Session 4 (Overnight Camp)
Ward · YMCA Camp Tumbleson Lake
Overnight lakeside camp session on 300 acres near Ward, Colorado, for children ages 6-17, with outdoor adventures and nature education.
July 2027
- Sun, Jul 4, 2027 – Wed, Jul 7, 2027 · YMCA Camp Tumbleson Lake Session 5 (Short Session, Explorers & Pathfinders)
Ward · YMCA Camp Tumbleson Lake
Short overnight camp session at the lakeside camp near Ward, Colorado, offered for Explorers and a short week for Pathfinders. - Tue, Jul 6, 2027 – Fri, Jul 9, 2027 · YMCA Camp Tumbleson Lake Session 6 (Short Session, Explorers & Pathfinders)
Ward · YMCA Camp Tumbleson Lake
Short overnight camp session at the lakeside camp near Ward, Colorado, offered for Explorers and a short week for Pathfinders. - Sat, Jul 10, 2027 · ACT National Test Date (July 2027)
Statewide · ACT test centers across Colorado · ACT registration fee; fee waivers available to eligible students
National Saturday ACT administration; registration deadline June 4 (late: June 22), 11:59 pm Central. - Sun, Jul 11, 2027 – Fri, Jul 16, 2027 · YMCA Camp Tumbleson Lake Session 7 (Overnight Camp)
Ward · YMCA Camp Tumbleson Lake
Overnight lakeside camp session on 300 acres near Ward, Colorado, for children ages 6-17, with outdoor adventures and nature education. - Sun, Jul 18, 2027 – Fri, Jul 23, 2027 · YMCA Camp Tumbleson Lake Session 8 (Overnight Camp)
Ward · YMCA Camp Tumbleson Lake
Overnight lakeside camp session on 300 acres near Ward, Colorado, for children ages 6-17, with outdoor adventures and nature education.
August 2027
- Fri, Aug 27, 2027 – Mon, Sep 6, 2027 · Colorado State Fair & Rodeo
Pueblo · Colorado State Fairgrounds · 2026 gate admission was5 adults, $7 ages 5–12, free 4 and under; 2027 prices not yet posted
Colorado's 11-day state fair and rodeo in Pueblo.- Sat, Aug 28, 2027 · SAT Weekend Test Date (August 2027, anticipated)
Statewide · SAT test centers across Colorado · SAT registration fee; late registration costs extra; fee waivers for eligible students
College Board lists this as an anticipated 2027–28 SAT weekend date; registration deadlines are posted closer to the date.September 2027
- Wed, Sep 8, 2027 – Fri, Sep 10, 2027 · CALCON 2027 (Colorado Association of Libraries)
Aurora · Hyatt Regency Aurora-Denver
The Colorado Association of Libraries' three-day annual conference for the state's library community. - Sat, Sep 11, 2027 · ACT National Test Date (September 2027, projected)
Statewide · ACT test centers across Colorado · ACT registration fee; fee waivers available to eligible students
ACT lists this as a projected 2027–28 national test date; registration deadlines are posted closer to the date. - Sat, Sep 18, 2027 · SAT Weekend Test Date (September 2027, anticipated)
Statewide · SAT test centers across Colorado · SAT registration fee; late registration costs extra; fee waivers for eligible students
College Board lists this as an anticipated 2027–28 SAT weekend date; registration deadlines are posted closer to the date.
October 2027
- Sat, Oct 9, 2027 · SAT Weekend Test Date (October 2027, anticipated)
Statewide · SAT test centers across Colorado · SAT registration fee; late registration costs extra; fee waivers for eligible students
College Board lists this as an anticipated 2027–28 SAT weekend date; registration deadlines are posted closer to the date. - Fri, Oct 15, 2027 · Colorado Income Tax Extension Deadline (Tax Year 2026)
Statewide · Colorado Department of Revenue
Last day to file a 2026 Colorado income tax return under the state's automatic six-month extension; no form is needed, but the extension covers filing only, not payment. - Sat, Oct 16, 2027 · ACT National Test Date (October 2027, projected)
Statewide · ACT test centers across Colorado · ACT registration fee; fee waivers available to eligible students
ACT lists this as a projected 2027–28 national test date; registration deadlines are posted closer to the date.
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- Sat, Aug 28, 2027 · SAT Weekend Test Date (August 2027, anticipated)
- Sat, May 22, 2027 · CLT (Classic Learning Test) Remote Test Date (May 2027)
- Fri, Mar 19, 2027 · National History Day in Colorado: Southeast Colorado Regional Contest
- Thu, Feb 4, 2027 – Sat, Feb 6, 2027 · CCIRA Conference on Literacy
- Tue, Dec 8, 2026 · CLT (Classic Learning Test) Remote Test Date (December 2026)
- Thu, Nov 12, 2026 · Homeschool Make-a-Masterpiece: Woodlands Style Animal Art (PPLD High Prairie)