Colorado School Calendar 2025-2026
Colorado has 178 public school districts serving 843K students. This page covers the 2025-2026 school year with day-level calendar data for every district.
178
Districts
843K
Students
2025-2026
School Year
Key Dates
Earliest First Day
August 1, 2025
Latest Last Day
June 30, 2026
Peak Spring Break
March 26, 2026
School Year
2025-2026
Schools on Break This Week
In session
<1K
5K-10K
20K-50K
100K+
Largest Districts in Colorado
The 10 largest school districts by enrollment, with their 2025-2026 calendar dates:
| District | Enrollment | First Day | Last Day | School Days |
|---|---|---|---|---|
| Denver Public Schools | 87,883 | Aug 25 | May 22 | 189 |
| Jefferson County School District No. R-1 | 75,327 | Aug 19 | May 28 | 173 |
| Douglas County School District RE-1 | 62,341 | Aug 1 | Jun 22 | 224 |
| Cherry Creek School District | 52,000 | Aug 11 | May 20 | 200 |
| Aurora Public Schools | 38,000 | Aug 13 | May 28 | 174 |
| Adams 12 Five Star Schools | 34,998 | Aug 12 | May 21 | 166 |
| St. Vrain Valley School District No. Re1J | 31,894 | Aug 13 | May 21 | 174 |
| Poudre School District R-1 | 29,977 | Aug 13 | May 27 | 190 |
| Boulder Valley School District No. Re2 | 28,485 | Aug 13 | May 20 | 167 |
| Academy School District No. 20 in the county of El Paso an | 25,719 | Aug 4 | Jun 5 | 207 |
Spring Break in Colorado
The peak spring break day in Colorado is March 26, 2026, when 26 districts (234K students) are on break.
Break Types
Breakdown of non-school days across all Colorado districts (excludes weekends and summer):
| Break Type | Student-Days | Districts |
|---|---|---|
| Winter Break | 5.2M student-days | 138 |
| Spring Break | 2.3M student-days | 118 |
| Thanksgiving Break | 1.7M student-days | 93 |
| Fall Break | 802K student-days | 34 |
| Teacher Staff Development | 678K student-days | 1 |
| Labor Day | 387K student-days | 51 |
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