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St Mary’s County Public Schools Calendar

St Mary’s County Public Schools Calendar 2026-2027

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If you have been searching for “St Mary’s County Public Schools Calendar 2026-2027”, then you are not alone.    The school calendar is essential for schools to coordinate and communicate with all 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 and 2027 school calendar for St Mary’s County Public Schools in Maryland.

Please check back regularly for any amendments that may occur, or consult the St Mary’s County Public Schools website for their 2025-2026 approved calendar and 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 links above to view the full, original school calendar.

St. Mary’s County Public Schools Calendar (2025-2026) Revised

DateEvent
July 4, 2025Holiday Independence Day – All Schools and Offices Closed
July 30, 202511-Month Employees Report
August 6-8, 2025New Teachers’ Orientation
August 13, 2025Professional Day – All Teachers Report/Classroom Preparation
August 14, 2025Professional Day – Staff Development
August 15, 2025Professional Day – Staff Development
August 18, 2025Professional Day – Teachers on Duty/Open Houses
August 19, 2025Professional Day – Collaborative Planning/Professional Responsibilities
August 20, 2025Schools Open for Students
September 1, 2025Holiday – Labor Day – All Schools and Offices Closed
September 18, 2025Two Hour Early Dismissal – Professional Responsibilities
September 19, 2025Professional Day – No School for Students – Staff Development/Collaborative Planning
October 13, 2025Two Hour Early Dismissal – Parent Conference Day
October 17, 2025Two Hour Early Dismissal – Professional Responsibilities/Collaborative Planning
October 24, 2025End of 1 Marking Period (46 days)
November 4, 2025Report Card Distribution
November 7, 2025Two Hour Early Dismissal – Professional Responsibilities
November 11, 2025Holiday- Veteran’s Day – All Schools and Offices Closed
November 26, 2025Thanksgiving Break – No School for Students and 10-11 Month Employees
November 27-28, 2025Holiday – Thanksgiving – All Schools and Offices Closed
December 19, 2025Two Hour Early Dismissal – Professional Responsibilities
December 22-31, 2025Winter Break No School for Students and 10-11 Month Employees
December 25, 2025Holiday – Winter Break – All Schools and Offices Closed
January 1, 2026Holiday – Winter Break – All Schools and Offices Closed
January 2, 2026Winter Break – No School for Students and 10-11 Month Employees
January 5, 2026Schools Reopen – Students in School
January 16, 2026End of 2nd Marking Period (46 days) and 1st Semester (92 days)
January 19, 2026Holiday – Martin Luther King, Jr. Day – All Schools and Offices Closed
January 27, 2026Report Card Distribution
January 30, 2026Professional Day – No School for Students – Staff Development – Professional Responsibilities
February 16, 2026Holiday Presidents’ Day – All Schools and Offices Closed (Possible Make-Up Day)
February 20, 2026Two Hour Early Dismissal – Professional Responsibilities
March 13, 2026Professional Day – No School for Students – Staff Development – Professional Responsibilities
March 27, 2026Two Hour Early Dismissal – Professional Responsibilities – End of 3rd Marking Period (46 days)
March 30-31, 2026Spring Break – No School for Students and 10-11 Month Employees
April 1-2, 2026Spring Break – No School for Students and 10-11 Month Employees
April 3, 2026Holiday All Schools and Offices Closed
April 6, 2026Spring Break – No School for Students and 10-11 Month Employees (Possible Make-Up Day)
April 15, 2026Report Card Distribution
April 24, 2026Two Hour Early Dismissal – Professional Responsibilities
May 22, 2026Two Hour Early Dismissal – Professional Responsibilities
May 25, 2026Holiday – Memorial Day – All Schools and Offices Closed
May 27, 2026Commencement – Great Mills High School
May 28, 2026Commencement – Chopticon High School
May 29, 2026Commencement – Leonardtown High School
June 8, 2026Last Day for PreKindergarten Students
June 9, 2026Two Hour Early Dismissal – Last Day for Students Grades K-12 – End of 4th Marking Period (45 days) and 2nd Semester (91 days) – Professional Responsibilities (including 3 inclement weather make-up days)
June 10, 2026Professional Day/Professional Responsibilities for Teachers
June 11, 2026Last Day for Teachers – Professional Responsibilities
June 19, 2026Holiday – Juneteenth Day – All Schools and Offices Closed
June 30, 2026Last Day for 11-Month Employees (including 3 inclement weather make-up days)

St Mary’s County Public Schools Calendar 2024-2025

SCHOOL HOLIDAYSSTARTSFINISHES
First Day of School24 Aug 2024
(Wed)
Thanksgiving Break23 Nov 2024
(Wed)		25 Nov 2024
(Fri)
Christmas Break19 Dec 2024
(Mon)		2 Jan 2025
(Mon)
Spring Break3 Apr 2025
(Mon)		10 Apr 2025
(Mon)
Last Day of School15 Jun 2025
(Thu)
Summer Break16 Jun 2025
(Fri)		22 Aug 2025
(Tue)

School Calendar 2025-2026

SCHOOL HOLIDAYSSTARTSFINISHES
First Day of School23 Aug 2025
(Wed)
Thanksgiving Break22 Nov 2025
(Wed)		24 Nov 2025
(Fri)
Christmas Break18 Dec 2025
(Mon)		1 Jan 2026
(Mon)
Spring Break25 Mar 2026
(Mon)		1 Apr 2026
(Mon)
Last Day of School12 Jun 2026
(Wed)
Summer Break13 Jun 2026
(Thu)

 

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