Oswego City School District Calendar (2025-2026)
Calendar by educounty.net
| Date | Event |
|---|---|
| Sep 1, 2025 | Labor Day |
| Sep 2-3, 2025 | Staff Development |
| Sep 4, 2025 | Classes Begin |
| Oct 13, 2025 | Columbus/Indigenous Peoples Day |
| Oct 22-24, 2025 | Half day P/T K-8 |
| Oct 23, 2025 | Half Day P/T OHS |
| Nov 7, 2025 | Half day K-12 |
| Nov 10, 2025 | Staff Development Day |
| Nov 11, 2025 | Veterans Day |
| Nov 26-28, 2025 | Thanksgiving Recess |
| Dec 22-31, 2025 | Christmas Recess |
| Jan 1-2, 2026 | Christmas Recess |
| Jan 19, 2026 | Martin Luther King, Jr. Day |
| Jan 20-23, 2026 | Regents Exams |
| Feb 16, 2026 | Presidents Day |
| Feb 17, 2026 | Lunar New Year |
| Feb 18-20, 2026 | Winter Recess |
| Mar 9, 2026 | Staff Development Day |
| Mar 19, 2026 | Half day P/T K-8 |
| Mar 30-Apr 3, 2026 | Spring Recess |
| Apr 3, 2026 | Good Friday |
| Apr 10, 2026 | Half day K-12 |
| Apr 13-16, 2026 | 3-8 CBT ELA Test Admin |
| Apr 27-30, 2026 | 3-8 CBT Math Test Admin |
| May 11, 2026 | 5 & 8 Science Written |
| May 25, 2026 | Memorial Day Observed |
| Jun 9-10, 2026 | Regents Exam Days |
| Jun 17-26, 2026 | Regents Exam Days |
| Jun 19, 2026 | Juneteenth Observed |
| Jun 24-25, 2026 | Half day K-8 |
| Jun 25, 2026 | Last day of classes K-8 |
| Jun 26, 2026 | Rating Day |
Oswego School Calendar 2025-2026 FAQ
When is the first day of school?
Classes begin on September 4, 2025.
When is the last day of school?
The last day of classes for grades K-8 is June 25, 2026.
When is winter break?
Winter recess is from February 18-20, 2026.
When is Christmas break?
The Christmas recess is from December 22, 2025 to January 2, 2026.
When is spring break?
Spring recess is from March 30, 2026 to April 3, 2026.
When is Thanksgiving?
Thanksgiving recess is from November 26-28, 2025.
When is Martin Luther King, Jr. Day?
Martin Luther King, Jr. Day is on January 19, 2026.
When is Juneteenth?
Juneteenth is observed on June 19, 2026.
Calendar Disclaimer
The school calendar provided on this page is taken from the official Oswego City School NY website. Please note that all dates and events are subject to change at the discretion of the school district. For the most accurate and updated information, please refer to the official district website or contact the school helpline.