Colorado has 188 school districts across 123 cities with calendar data for the 2025-26 school year. Districts average 169 instructional days per year.
Academic Calendar Overview
Colorado school districts follow a 2025-26 academic calendar that spans from August 4, 2025 through July 31, 2026. With 188 districts across 123 cities and communities, Colorado families have a wide range of schedules to navigate depending on where they live. Understanding when school starts, when breaks fall, and how many instructional days your child will have helps parents plan vacations, childcare, and family activities around the academic year. With an average of 169 instructional days required per year, Colorado school districts must carefully balance state mandates with local scheduling needs, including teacher planning days, professional development, and weather makeup days.
When Does School Start?
The earliest Colorado districts begin classes on August 4, 2025, while others do not start until September 4, 2025 — a spread of 31 days that reflects the diverse local priorities and climate conditions across the state. Districts that start earlier in the summer tend to align breaks with local events or agricultural cycles, while later-starting districts may preserve more of the traditional summer for families. This variation means a family moving from one Colorado district to another could encounter a schedule shift of several weeks, making it important to verify your specific district's calendar each year. Across Colorado, districts average 169 instructional days — a figure set by state education mandates but often exceeded by individual districts that build in additional learning time.
Break Schedules
For the 2025-26 academic year, the most common spring break window in Colorado runs from March 16, 2026 through March 20, 2026, a schedule shared by 44 districts. Families planning spring travel should be aware that while this is the dominant pattern, not all Colorado districts follow the same dates — some districts schedule spring break a week earlier or later based on local traditions or the academic calendar layout. Winter break — the longest scheduled recess of the school year — most commonly begins December 22, 2025 and runs through January 2, 2026 for 93 Colorado districts. This multi-week window is a critical planning period for families booking holiday travel, managing childcare during the break, and coordinating with extended family schedules.
Data Sources & Accuracy
Major Colorado communities including Otis, Monte Vista, Mancos, and Hugo are represented in our dataset, alongside hundreds of smaller districts across the state. All calendar data on this site is sourced directly from official Colorado school district websites, PDF calendars, and district-published iCal feeds. The data is refreshed regularly to reflect mid-year amendments, snow day adjustments, and any changes announced by districts after the start of the school year. While we work to keep information current, parents should always verify critical dates — such as the first day of school, standardized testing windows, and graduation ceremonies — against their district's official website or the district office directly. Use the district links below to navigate to your specific school calendar page, where you can view the full schedule and download an iCal file for Apple Calendar, Google Calendar, or Outlook.
Top Cities by District Count
Compare School Calendars
Showing districts with available 2025-26 calendar data. Data updates daily.
A15 districts
Gleneagle
Adams-Arapahoe School District 28JAurora
Adams County School District 14Derby
Agate School District 300Deer Trail
Aguilar Reorganized School District RE-6Aguilar School District RE-6Akron School District R-1Akron
Alamosa School District RE-11JAlamosa East
Archuleta County School District 50 JTArchuleta School DistrictArickaree School District R-2Cope
Arriba-Flagler Consolidated School District 20Aspen School District 1Aspen
Ault-Highland School District RE-9Nunn
Aurora Public Schools (Colorado)B12 districts
Bayfield
Bennett School District 29JBig Sandy School District 100JMatheson
Boulder Valley School DistrictBoulder Valley School District RE-2Mountain Meadows
Branson Reorganized School District RE-82Briggsdale School District RE-10JBrush School District RE-2JHillrose
Buena Vista School District R-31Buena Vista
Buffalo School District RE-4JBurlington Public School District RE-6JBurlington School District RE-6JBurlington
C16 districts
Calhan
Campo School District RE-6Campo
Centennial School District R-1San Luis
Center Consolidated School District 26 JTCheraw School District 31Cheraw
Cherry Creek School DistrictCherry Creek School District 5Foxfield
Cheyenne County School District RE-5Cheyenne Wells
Cheyenne Mountain School District 12Manitou Springs
Clear Creek School District RE-1Georgetown
Colorado Springs School District 11Colorado Springs
Cotopaxi School District RE-3Cripple Creek-Victor School District RE-1Goldfield
Crowley County School District RE-1-JOrdway
Custer County School District C-1Silver Cliff
D9 districts
Deer Trail
Delta County School District 50JOrchard City
Denver County School District 1Denver
Denver Public SchoolsDolores County School District RE-2JDolores School District RE-4AMancos
Douglas County School District (Colorado)Douglas County School District RE-1Perry Park
Durango School District 9-RDurango
E12 districts
Granby
Eaton School DistrictEaton School District RE-2Edison School District 54JTEl Paso County School District 49Elbert School District 200Elbert
Elizabeth School District C-1Ellicott School District 22Ellicott
Englewood School District 1Englewood
Estes Park School District R-3Estes Park
F10 districts
Log Lane Village
Fountain-Fort Carson School District 8Fountain School District 8Fort Carson
Fowler School DistrictFowler School District R4JFremont RE-2 School DistrictFremont School District RE-1Fremont School District RE-2Frenchman School District RE-3Fleming
G7 districts
H10 districts
Fountain
Harrison School District 2Stratmoor
Haxtun School District RE-2JHaxtun
Hayden School District RE-1Hayden
Hi-Plains School District R-23Seibert
Hinsdale County School District RE-1Lake City
Hoehne Reorganized School District RE-3Holly School District RE-3Holly
Holyoke School District RE-1JHolyoke
Huerfano School District RE-1Walsenburg
I1 district
J5 districts
K4 districts
L9 districts
La Veta
Lake County School District R-1Leadville North
Lamar School District RE-2Lamar
Lewis-Palmer School District 38Gleneagle
Liberty School District J-4Kirk
Limon School District RE-4JLimon
Littleton Public SchoolsLittleton School District 6Englewood
Lone Star School District 101Otis
M14 districts
Mancos
Manitou Springs School District 14Cascade-Chipita Park
Manzanola School District 3JManzanola
Mapleton School District 1Welby
McClave School District RE-2Hasty
Meeker School District RE-1Mesa County Valley School District 51Orchard Mesa
Miami-Yoder School District JT-60Moffat Consolidated School District 2Moffat County School District RE-1Maybell
Monte Vista School District C-8Monte Vista
Montezuma-Cortez School District RE-1Cortez
Montrose County School District RE-1JMontrose
Mountain Valley School District RE-1Saguache
N3 districts
O2 districts
P15 districts
Hartsel
Pawnee School District RE-12Grover
Peyton School District 23-JTPeyton
Plainview School District RE-2Sheridan Lake
Plateau School District RE-5Peetz
Platte Canyon School District 1Montezuma
Platte Valley School District RE-7Kersey
Poudre School DistrictPoudre School District R-1Red Feather Lakes
Prairie School District RE-11Raymer (New Raymer)
Primero Reorganized School District RE-2Pritchett School District RE-3Pritchett
Public school districtPueblo County School District 70Salt Creek
Pueblo School District 60R3 districts
S20 districts
Poncha Springs
Sanford School District 6JSanford
Sangre de Cristo School District RE-22JHooper
Sargent School District RE-33JMonte Vista
School District 27JBrighton
School District 49 (Colorado)Sheridan School District 2Sheridan
Sheridan School District (Colorado)Sierra Grande School District R-30Fort Garland
Silverton School District 1Silverton
South Conejos School District RE-10Conejos
South Routt School District RE-3Yampa
Springfield School District RE-4Springfield
St. Vrain Valley School DistrictSt. Vrain Valley School District RE-1JSteamboat Springs School District RE-2Steamboat Springs
Strasburg School District 31JStrasburg
Stratton School District R-4Stratton
Summit School District RE-1Frisco
Swink School District 33Swink
T4 districts
U1 district
V2 districts
W13 districts
Gilcrest
Weld County School District RE-4Weld County School District RE-8Fort Lupton
Weldon Valley School District RE-20JJackson Lake
West End School District RE-2Nucla
West Grand School District 1-JTParshall
Westminster Public SchoolsWestminster School District 50Widefield School District 3Security-Widefield
Wiggins School District RE-50JWiggins
Wiley School District RE-13-JTWiley
Woodland Park School District RE-2Divide
Woodlin School District R-104Akron
Y1 district
Frequently Asked Questions
When does school start in Colorado?
For the 2025-26 school year, the first day of school in Colorado ranges from August 4, 2025 to September 4, 2025, depending on the district. Check individual district calendars below for exact dates.
When is the last day of school in Colorado?
The last day of school in Colorado for 2025-26 ranges from May 14, 2026 to July 31, 2026. Each district sets its own end date based on local scheduling.
When is spring break in Colorado?
The most common spring break dates in Colorado for 2025-26 are March 16, 2026 to March 20, 2026, shared by 44 districts. Other districts may have different dates — check your district's calendar for exact spring break timing.
How many school districts are in Colorado?
We have calendar data for 188 school districts in Colorado, spanning 123 cities. The average school year includes 169 instructional days.