Ontario-Montclair School District Winter Break 2026
Winter break 2026 for Ontario-Montclair School District is Fri, Dec 18, 2026 to Fri, Jan 1, 2027. The last day of school before the break is Thursday, December 17, 2026, and classes resume Monday, January 4, 2027.
Planning notes
- Christmas Day (Friday, December 25, 2026) and New Year’s Day (Friday, January 1, 2027) both fall inside the break.
- Thursday, December 17, 2026, the last day before the break, is an early release day.
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Winter break in nearby districts
102 of the other 103 California districts we track have winter break the same week.
| District | Winter break | Back to school |
|---|---|---|
| Ontario-Montclair School District | December 18, 2026 to January 1, 2027 | Mon, Jan 4, 2027 |
| Upland Unified School District | December 21, 2026 to January 4, 2027 | Tue, Jan 5, 2027 |
| Bonita Unified School District | December 21, 2026 to January 1, 2027 | Mon, Jan 4, 2027 |
| Corona-Norco Unified School District | December 21, 2026 to January 8, 2027 | Mon, Jan 11, 2027 |
| Rowland Unified School District | December 21, 2026 to January 8, 2027 | Mon, Jan 11, 2027 |
| Placentia-Yorba Linda Unified School District | December 21, 2026 to January 1, 2027 | Mon, Jan 4, 2027 |
| Baldwin Park Unified School District | December 21, 2026 to January 5, 2027 | Wed, Jan 6, 2027 |
| Hacienda La Puente Unified School District | December 21, 2026 to January 1, 2027 | Tue, Jan 5, 2027 |
| Rialto Unified School District | December 21, 2026 to January 8, 2027 | Tue, Jan 12, 2027 |
Frequently asked questions
When does Ontario-Montclair School District winter break start and end?
Winter break starts Friday, December 18, 2026 and ends Friday, January 1, 2027.
When do Ontario-Montclair School District students go back to school after winter break?
Monday, January 4, 2027.
How many days off is winter break?
eleven school days. With the weekends, students are off 17 days in a row (Fri, Dec 18, 2026 to Sun, Jan 3, 2027).
Is the last day before winter break an early release day?
Yes. Thursday, December 17, 2026 is listed as an early release day.
Could Ontario-Montclair School District winter break dates change?
The dates come from the district’s board-approved calendar. Districts sometimes revise a calendar after weather closures; we re-check the official document every week and update this page if it changes.
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