St. Mary's County Public Schools School Calendar 2025-2026
St. Mary's County Public Schools is a public school district in Maryland serving 17,493 students. This page covers the 2025-2026 school year with day-level calendar data.
This district is part of the Lexington Park, MD metropolitan area.
17,493
Enrollment
183
School Days
26
Break Days
2025-2026
School Year
Calendar Summary
First Day of School
August 26, 2025
Last Day of School
June 5, 2026
NCES District ID
2400600
State
Maryland
Breaks & Holidays
Scheduled breaks and holidays for St. Mary's County Public Schools during 2025-2026 (excludes weekends and summer):
| Break | Start | End | Days |
|---|---|---|---|
| Professional Day - All Teachers Report/Classroom Preparation | Aug 13 | Aug 13 | 1 |
| Professional Day – Staff Development | Aug 14 | Aug 14 | 1 |
| Professional Day - Staff Development | Aug 15 | Aug 15 | 1 |
| Professional Day – Teachers On Duty/Open Houses | Aug 18 | Aug 18 | 1 |
| Professional Day – Collaborative Planning/Professional Responsibilities | Aug 19 | Aug 19 | 1 |
| Labor Day - All Schools And Offices Closed | Sep 1 | Sep 1 | 1 |
| Professional Day - No School For Students - Staff Development/Collaborative Planning | Sep 19 | Sep 19 | 1 |
| Veteran'S Day – All Schools And Offices Closed | Nov 11 | Nov 11 | 1 |
| Thanksgiving Break | Nov 26 | Nov 26 | 1 |
| Thanksgiving - All Schools And Offices Closed | Nov 27 | Nov 28 | 2 |
| Winter Break | Dec 22 | Dec 22 | 1 |
| Winter Break – All Schools And Offices Closed | Dec 25 | Dec 25 | 1 |
| Winter Break – All Schools And Offices Closed | Jan 1 | Jan 1 | 1 |
| Winter Break – No School For Students And 10-11 Month Employees | Jan 2 | Jan 2 | 1 |
| Martin Luther King, Jr. Day - All Schools And Offices Closed | Jan 19 | Jan 19 | 1 |
| Professional Day – No School For Students – Staff Development – Professional Responsibilities | Jan 30 | Jan 30 | 1 |
| Presidents' Day - All Schools And Offices Closed | Feb 16 | Feb 16 | 1 |
| Professional Day – No School For Students – Staff Development – Professional Responsibilities | Mar 13 | Mar 13 | 1 |
| Spring Break | Mar 30 | Mar 30 | 1 |
| Spring Break – No School For Students And 10-11 Month Employees | Mar 31 | Apr 2 | 3 |
| All Schools And Offices Closed | Apr 3 | Apr 3 | 1 |
| Spring Break – No School For Students And 10-11 Month Employees | Apr 6 | Apr 6 | 1 |
| Memorial Day - All Schools And Offices Closed | May 25 | May 25 | 1 |
School Year Calendar
Visual calendar for St. Mary's County Public Schools, 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 St. Mary's County Public Schools:
| School Year | First Day | Last Day | School Days | Break Days |
|---|---|---|---|---|
| 2024-2025 | Sep 19 | May 23 | 10 | 21 |
| 2025-2026 | Aug 26 | Jun 5 | 183 | 26 |
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