Riverside-San Bernardino-Ontario, CA School Schedules 2025-2026
The Riverside-San Bernardino-Ontario, CA metropolitan area has 60 public school districts serving 760K students. This page covers the 2025-2026 school year with day-level calendar data for every district in the metro.
60
Districts
760K
Students
2025-2026
School Year
Key Dates
Earliest First Day
August 1, 2025
Latest Last Day
June 30, 2026
Peak Spring Break
April 1, 2026
School Year
2025-2026
Schools on Break This Week
In session
<1K
5K-10K
20K-50K
100K+
Largest Districts in Riverside-San Bernardino-Ontario, CA
The 10 largest school districts by enrollment, with their 2025-2026 calendar dates:
| District | Enrollment | First Day | Last Day | School Days |
|---|---|---|---|---|
| Corona-Norco Unified | 50,256 | Aug 20 | Jun 10 | 183 |
| San Bernardino City Unified | 44,712 | Aug 4 | Jun 4 | 183 |
| Riverside Unified | 38,855 | Aug 11 | May 29 | 181 |
| Fontana Unified | 33,205 | Aug 5 | May 28 | 199 |
| Moreno Valley Unified | 31,344 | Aug 1 | Jun 12 | 192 |
| Temecula Valley Unified | 26,491 | Aug 13 | Jun 5 | 173 |
| Desert Sands Unified | 26,379 | Aug 25 | May 29 | 200 |
| Chino Valley Unified | 25,618 | Aug 4 | May 21 | 180 |
| Rialto Unified | 24,117 | Aug 11 | Jun 4 | 184 |
| Chaffey Joint Union High | 23,058 | Aug 7 | May 21 | 186 |
Spring Break in Riverside-San Bernardino-Ontario, CA
The peak spring break day in the Riverside-San Bernardino-Ontario, CA metro is April 1, 2026, when 22 districts (373K students) are on break.
Break Types
Breakdown of non-school days across all Riverside-San Bernardino-Ontario, CA metro districts (excludes weekends and summer):
| Break Type | Student-Days | Districts |
|---|---|---|
| Winter Break | 7.3M student-days | 38 |
| Spring Break | 3.8M student-days | 40 |
| Thanksgiving Break | 1.7M student-days | 30 |
| Labor Day | 395K student-days | 33 |
| Memorial Day | 374K student-days | 30 |
| Fall Break | 356K student-days | 11 |
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