![San Marcos CIS 26-27 Calendar Revised [PDF] Logo](https://sp-ao.shortpixel.ai/client/to_webp,q_glossy,ret_img,w_180,h_180/https://www.educounty.net/wp-content/uploads/2025/03/Screenshot-2025-03-14-175340.png)
Official School Calendar for Academic Year 2026–2027
![San Marcos CIS 26-27 Calendar Revised [PDF]](https://sp-ao.shortpixel.ai/client/to_webp,q_glossy,ret_img,w_1200,h_800/https://www.educounty.net/wp-content/uploads/2026/03/San-Marcos-CISD-26-27-Calendar.png)
Click image to view full size
San Marcos CISD Calendar (2026-2027)
Calendar by educounty.net
| Date | Event |
|---|---|
| Aug 3-4, 2026 | New Teacher Orientation |
| Aug 5-6, 2026 | Professional Learning |
| Aug 7, 2026 | Staff Work Day |
| Aug 10-14, 2026 | Professional Learning |
| Aug 17, 2026 | Staff Work Day |
| Aug 18, 2026 | Professional Learning |
| Aug 19, 2026 | First Day of School |
| Sep 7, 2026 | District Holiday |
| Sep 25, 2026 | Parent Community Day |
| Oct 8, 2026 | Professional Learning |
| Oct 9, 2026 | District Holiday |
| Oct 12, 2026 | District Holiday |
| Nov 23-27, 2026 | District Holiday (Thanksgiving Break) |
| Dec 18, 2026 | Professional Learning |
| Dec 21-25, 2026 | District Holiday |
| Dec 28-31, 2026 | District Holiday |
| Jan 1, 2027 | District Holiday |
| Jan 4, 2027 | Staff Work Day |
| Jan 5, 2027 | Professional Learning |
| Jan 18, 2027 | District Holiday |
| Feb 12, 2027 | Parent Community Day |
| Feb 15, 2027 | District Holiday |
| Mar 15-19, 2027 | District Holiday (Spring Break) |
| Mar 26, 2027 | District Holiday |
| Apr 23, 2027 | Professional Learning |
| May 27, 2027 | Last Day of School |
| May 28, 2027 | Staff Work Day / Class of 2027 Graduation |
San Marcos CISD Calendar 2026-2027 – Frequently Asked Questions
When is the first day of school in San Marcos CISD Calendar 2026-2027?
The first day of school for San Marcos CISD in the 2026-2027 school calendar is August 19, 2026.
When is Spring Break in San Marcos CISD Calendar 2026-2027?
Spring Break for San Marcos CISD in the 2026-2027 school year is scheduled from March 15 to March 19, 2027.
When is Christmas Break in San Marcos CISD Calendar 2026-2027?
Christmas Break in San Marcos CISD for the 2026-2027 school year runs from December 21 to December 25, 2026.
When is Winter Break in San Marcos CISD Calendar 2026-2027?
Winter Break for San Marcos CISD students during the 2026-2027 academic year is from December 21, 2026 through January 1, 2027.
When is Thanksgiving Break in San Marcos CISD Calendar 2026-2027?
Thanksgiving Break for San Marcos CISD in the 2026-2027 school calendar is from November 23 to November 27, 2026.
When is the last day of school in San Marcos CISD Calendar 2026-2027?
The last day of school for students in San Marcos CISD for the 2026-2027 school year is May 27, 2027.
When is Labor Day holiday in San Marcos CISD Calendar 2026-2027?
Labor Day holiday in San Marcos CISD for the 2026-2027 academic year is September 7, 2026.
When is Martin Luther King Jr. Day holiday in San Marcos CISD Calendar 2026-2027?
Martin Luther King Jr. Day holiday in San Marcos CISD during the 2026-2027 school year is January 18, 2027.
When is Presidents’ Day holiday in San Marcos CISD Calendar 2026-2027?
Presidents’ Day holiday in San Marcos CISD for the 2026-2027 academic year is February 15, 2027.
When is Parent Community Day in San Marcos CISD Calendar 2026-2027?
Parent Community Days in San Marcos CISD for the 2026-2027 school calendar are September 25, 2026 and February 12, 2027.
Calendar Disclaimer
Dates are sourced from the official San Marcos CIS 26-27 Calendar Revised [PDF] website. Dates may change at the discretion of the district. Always verify with the official school website for the latest updates.
× ![Calendar]()