St. Mary's County Public Schools Calendar 2027-2028

Leonardtown, Maryland · from the district's official calendar, checked Oct 2, 2026

• Thanksgiving break: Nov 24–26
• Winter break: Dec 20–31
• Spring Break - No School for Students and 10-11 Month Employees: Apr 10–17
• 11 early release days
• 3 possible make-up days

Days off and schedule changes

Every day that changes something for families. Where it says “the district calls it”, that is the district's own wording.

• Sep 6 · MonNo school · Labor DayThe district calls it: “Holiday – Labor Day - All Schools and Offices Closed”
• Sep 15 · WedEarly releaseThe district calls it: “Two Hour Early Dismissal – Collaborative Planning/Professional Responsibilities”
• Sep 24 · FriNo schoolThe district calls it: “Professional Day - No School for Students - Staff Development (School)”
• Oct 11 · MonNo school · Indigenous Peoples' Day / Columbus DayThe district calls it: “Professional Day - No School for Students - Parent/Teacher Conferences and Collaborative Planning/Professional Responsibilities”
• Oct 27 · WedEarly releaseThe district calls it: “Two Hour Early Dismissal – Professional Responsibilities”
• Nov 11 · ThuNo school · Veterans DayThe district calls it: “Holiday – Veteran's Day – All Schools and Offices Closed”
• Nov 17 · WedEarly releaseThe district calls it: “Two Hour Early Dismissal – Collaborative Planning/Professional Responsibilities”
• Nov 24 · WedNo schoolThe district calls it: “Thanksgiving Break - No School for Students and 10-11 Month Employees”
• Nov 25–26 · ThuNo school · Thanksgiving breakThe district calls it: “Holiday - Thanksgiving - All Schools and Offices Closed”
• Dec 15 · WedEarly releaseThe district calls it: “Two Hour Early Dismissal – Collaborative Planning/Professional Responsibilities”
• Dec 20–23 · MonNo schoolThe district calls it: “Winter Break – No School for Students and 10-11 Month Employees”
• Dec 24 · FriNo school · Christmas DayThe district calls it: “Holiday – Winter Break – All Schools and Offices Closed”
• Dec 27–30 · MonNo schoolThe district calls it: “Winter Break – No School for Students and 10-11 Month Employees”
• Dec 31 · FriNo schoolThe district calls it: “Holiday – Winter Break – All Schools and Offices Closed”
• Jan 17 · MonNo school · Martin Luther King Jr. DayThe district calls it: “Holiday - Martin Luther King Jr. Day - All Schools and Offices Closed”
• Jan 19 · WedEarly releaseThe district calls it: “Two Hour Early Dismissal – Professional Responsibilities”
• Jan 28 · FriNo schoolThe district calls it: “Professional Day – No School for Students – Staff Development (System) (Possible Make-Up Day)”Possible make-up day
• Feb 16 · WedEarly releaseThe district calls it: “Two Hour Early Dismissal – Collaborative Planning/Professional Responsibilities”
• Feb 21 · MonNo school · Presidents' DayThe district calls it: “Holiday - Presidents' Day - All Schools and Offices Closed (Possible Make-Up Day)”Possible make-up day
• Mar 8 · WedEarly releaseThe district calls it: “Two Hour Early Dismissal – Staff Development (School)”
• Mar 29 · WedEarly releaseThe district calls it: “Two Hour Early Dismissal – Professional Responsibilities”
• Apr 10–13 · MonNo schoolThe district calls it: “Spring Break - No School for Students and 10-11 Month Employees”
• Apr 14 · FriNo schoolThe district calls it: “Holiday - All Schools and Offices Closed”
• Apr 17 · MonNo schoolThe district calls it: “Holiday - All Schools and Offices Closed (Possible Make-Up Day)”Possible make-up day
• May 24 · WedEarly releaseThe district calls it: “Two Hour Early Dismissal – Collaborative Planning/Professional Responsibilities”
• May 29 · MonNo school · Memorial DayThe district calls it: “Holiday - Memorial Day - All Schools and Offices Closed”
• Jun 13 · TueEarly releaseThe district calls it: “Two Hour Early Dismissal – Last Day for Prekindergarten Students Professional Responsibilities”
• Jun 14 · WedEarly releaseThe district calls it: “Two Hour Early Dismissal – Last Day for Students Grades K-12, End of 4th Marking Period (46 days) and 2nd Semester (94 days), (including 3 inclement weather days)”

The 2027-2028 school year at a glance

Other dates

Dates that do not change the school day: grading periods, report cards, orientations.

• Aug 25First day of schoolThe district calls it: “Schools Open for Students”
• Oct 29Grading period endsThe district calls it: “End of 1st Marking period (45 days)”
• Nov 9Report cardsThe district calls it: “Report Card Distribution”
• Jan 21Grading period endsThe district calls it: “End of 2nd Marking Period (45 days) and 1st Semester (90 days)”
• Feb 1Report cardsThe district calls it: “Report Card Distribution”
• Mar 31Grading period endsThe district calls it: “End of 3rd Marking Period (48 days)”
• Apr 19Report cardsThe district calls it: “Report Card Distribution”
• Apr 25NoteThe district calls it: “Possible Primary Election Day (184th day) (Subject to change/removal)”
• May 31Graduation · grade 12 onlyThe district calls it: “Commencement - Leonardtown High School”
• Jun 1Graduation · grade 12 onlyThe district calls it: “Commencement - Great Mills High School”
• Jun 2Graduation · grade 12 onlyThe district calls it: “Commencement - Chopticon High School”
• Jun 13Note · Pre-K onlyThe district calls it: “Last Day for Prekindergarten Students”
• Jun 14Last day of schoolThe district calls it: “Last Day for Students Grades K-12”
• Jun 14Grading period endsThe district calls it: “End of 4th Marking Period (46 days)”

Where these dates come from

Nearby districts

• Wicomico County Public SchoolsFirst day Sep 1, 2026 · last day Jun 11, 2027
• Cecil County Public SchoolsFirst day Aug 31, 2026 · last day Jun 11, 2027
• Calvert County Public SchoolsFirst day Aug 25, 2026 · last day Jun 10, 2027
• Washington County Public SchoolsFirst day Aug 25, 2026 · last day Jun 8, 2027
• Carroll County Public SchoolsFirst day Aug 31, 2026 · last day Jun 11, 2027
• Charles County Public SchoolsFirst day Aug 24, 2026 · last day Jun 9, 2027

St. Mary's County Public Schools 2027-2028 · checked Oct 2, 2026 · confirm with the district · source: https://www.smcps.org/fs/resource-manager/view/54c82d0b-b752-4d9f-8df6-92d83b95adb4