San Marcos CISD School Calendar 2025-2026
San Marcos CISD is a public school district in Texas serving 8,311 students. This page covers the 2025-2026 school year with day-level calendar data.
This district is part of the Austin-Round Rock-San Marcos, TX metropolitan area.
8,311
Enrollment
173
School Days
39
Break Days
2025-2026
School Year
Calendar Summary
First Day of School
August 13, 2025
Last Day of School
May 21, 2026
NCES District ID
4838970
State
Texas
Breaks & Holidays
Scheduled breaks and holidays for San Marcos CISD during 2025-2026 (excludes weekends and summer):
| Break | Start | End | Days |
|---|---|---|---|
| Professional Learning (Start) | Aug 1 | Aug 1 | 1 |
| Professional Learning | Aug 2 | Aug 5 | 4 |
| Professional Learning (End) | Aug 6 | Aug 6 | 1 |
| Staff Work Day | Aug 12 | Aug 12 | 1 |
| District Holiday (Labor Day) | Sep 1 | Sep 1 | 1 |
| Parent Community/Student Holiday | Sep 26 | Sep 26 | 1 |
| Student Holiday | Oct 10 | Oct 10 | 1 |
| District Holiday | Oct 13 | Oct 13 | 1 |
| Student Holiday | Nov 3 | Nov 3 | 1 |
| Staff Trade Day | Nov 24 | Nov 24 | 1 |
| District Holiday (Thanksgiving Break) | Nov 26 | Nov 27 | 2 |
| Winter Break | Dec 22 | Dec 22 | 1 |
| District Holiday (Winter Break) | Dec 23 | Dec 30 | 8 |
| Winter Break | Dec 31 | Dec 31 | 1 |
| District Holiday (Winter Break) | Jan 1 | Jan 2 | 2 |
| Student'S Return From Winter Break | Jan 7 | Jan 7 | 1 |
| District Holiday (Martin Luther King Jr. Day) | Jan 19 | Jan 19 | 1 |
| Parent Community/Student Holiday | Feb 9 | Feb 9 | 1 |
| District Holiday (Presidents' Day) | Feb 16 | Feb 16 | 1 |
| Spring Break | Mar 16 | Mar 16 | 1 |
| District Holiday (Spring Break) | Mar 17 | Mar 19 | 3 |
| Spring Break | Mar 20 | Mar 20 | 1 |
| District Holiday | Apr 3 | Apr 3 | 1 |
| Student Holiday | Apr 24 | Apr 24 | 1 |
| District Holiday (Memorial Day) | May 25 | May 25 | 1 |
School Year Calendar
Visual calendar for San Marcos CISD, July 2025 through June 2026:
Jul 2025
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | |
| 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 21 | 22 | 23 | 24 | 25 | 26 | 27 |
| 28 | 29 | 30 | 31 |
Aug 2025
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||
| 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| 18 | 19 | 20 | 21 | 22 | 23 | 24 |
| 25 | 26 | 27 | 28 | 29 | 30 | 31 |
Sep 2025
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| 22 | 23 | 24 | 25 | 26 | 27 | 28 |
| 29 | 30 |
Oct 2025
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| 20 | 21 | 22 | 23 | 24 | 25 | 26 |
| 27 | 28 | 29 | 30 | 31 |
Nov 2025
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| 1 | 2 | |||||
| 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| 24 | 25 | 26 | 27 | 28 | 29 | 30 |
Dec 2025
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| 22 | 23 | 24 | 25 | 26 | 27 | 28 |
| 29 | 30 | 31 |
Jan 2026
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |||
| 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| 19 | 20 | 21 | 22 | 23 | 24 | 25 |
| 26 | 27 | 28 | 29 | 30 | 31 |
Feb 2026
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| 1 | ||||||
| 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| 23 | 24 | 25 | 26 | 27 | 28 |
Mar 2026
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| 1 | ||||||
| 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| 23 | 24 | 25 | 26 | 27 | 28 | 29 |
| 30 | 31 |
Apr 2026
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| 20 | 21 | 22 | 23 | 24 | 25 | 26 |
| 27 | 28 | 29 | 30 |
May 2026
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||
| 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| 18 | 19 | 20 | 21 | 22 | 23 | 24 |
| 25 | 26 | 27 | 28 | 29 | 30 | 31 |
Jun 2026
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| 22 | 23 | 24 | 25 | 26 | 27 | 28 |
| 29 | 30 |
In SessionBreak/HolidayWeekend
Multi-Year Comparison
Calendar data across school years for San Marcos CISD:
| School Year | First Day | Last Day | School Days | Break Days |
|---|---|---|---|---|
| 2024-2025 | Aug 13 | May 22 | 176 | 31 |
| 2025-2026 | Aug 13 | May 21 | 173 | 39 |
| 2026-2027 | Aug 13 | May 21 | 202 | 0 |
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