Mammoth-San Manuel Unified School District Calendar 2026-2027
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The school calendar is essential for schools to coordinate and communicate with all of the students and parents of various classes and in different schools. Because of this, a school must maintain a proper calendar that delineates student and non-student days, school and non-school days, as well as the various breaks throughout the year.
This page contains the major holiday dates from the 2026 school calendar for Mammoth-San Manuel Unified School District in Arizona.
Please check back regularly for any amendments that may occur, or consult the Mammoth-San Manuel Unified School District website for their 2026-2027 approved calendar. You may also wish to visit the school district homepage to check for any urgent or last-minute updates that may not have been incorporated into the official calendars.
Also note that we have incorporated non-student days such as teachers preparation days, teachers services days, and professional development days into the dates below. Visit the link above to view the full, original school calendar.
Mammoth-San Manuel Unified School District
Table of Interests
The official site has PDFs for past calendars (2023-2024, 2024-2025) under Documents → Calendars. Mammoth SD
The 2024-2025 calendar PDF shows things like early-release days, end of quarter, spring break, teacher work days.
Their Events page confirms “Labor Day – NO SCHOOL” among upcoming or past events.
Calendar 2022-2023
| SCHOOL HOLIDAYS | STARTS | FINISHES |
|---|---|---|
| First Day of School | 4 Aug 2022 (Thu) | |
| Fall Break | 10 Oct 2022 (Mon) | 14 Oct 2022 (Fri) |
| Thanksgiving Break | 23 Nov 2022 (Wed) | 25 Nov 2022 (Fri) |
| Christmas Break | 19 Dec 2022 (Mon) | 30 Dec 2022 (Fri) |
| Spring Break | 13 Mar 2023 (Mon) | 17 Mar 2023 (Fri) |
| Easter Break | 7 Apr 2023 (Fri) | 10 Apr 2023 (Mon) |
| Last Day of School | 18 May 2023 (Thu) | |
| Summer Break | 19 May 2023 (Fri) |
Previous Years
School Calendar 2021-2022
| SCHOOL HOLIDAYS | STARTS | FINISHES |
|---|---|---|
| First Day of School | 5 Aug 2021 (Thu) | |
| Fall Break | 11 Oct 2021 (Mon) | 15 Oct 2021 (Fri) |
| Thanksgiving Break | 24 Nov 2021 (Wed) | 26 Nov 2021 (Fri) |
| Christmas Break | 20 Dec 2021 (Mon) | 31 Dec 2021 (Fri) |
| Spring Break | 14 Mar 2022 (Mon) | 18 Mar 2022 (Fri) |
| Easter Break | 15 Apr 2022 (Fri) | 18 Apr 2022 (Mon) |
| Last Day of School | 19 May 2022 (Thu) | |
| Summer Break | 20 May 2022 (Fri) | 3 Aug 2022 (Wed) |
