St. Marys County Public Schools, Maryland

St. Marys County Public Schools is a unified school district in St. Mary's County, Maryland, for grades Pre-K to 12. About 115,126 people live in it (2020–2024 estimate). It covers 359 sq mi (929 km²) of land.

BaltimoreColumbia
St. Marys County Public Schools in Maryland
Charles County Public SchoolsDorchester County Public SchoolsSomerset County Public SchoolsWestmoreland County Public Schools
St. Marys County Public Schools and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
115,126
Grades
Pre-K to 12
Type
Unified school district
County
St. Mary's County
Land area
359 sq mi (929 km²)
Median household income
$119,446 ± $4,480
Median home value
$407,600 ± $8,365
Water area
406 sq mi (1,051 km²)
State
Maryland
Census code (GEOID)
2400600
Coordinates (central point)
38.223076, -76.534487

These coordinates mark a central point for the district, not a school or an address. Population, income and home value: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 20, 2026.

Towns, townships and communities in St. Marys County Public Schools, largest first

  1. District 8, Bay42,255 people
  2. District 3, Leonardtown18,826 people
  3. Lexington Park (CDP)13,252 people
  4. California (CDP)13,136 people
  5. District 5, Mechanicsville13,077 people
  6. District 6, Patuxent12,883 people
  7. District 4, Chaptico10,362 people
  8. Wildewood (CDP)7,552 people
  9. District 2, Valley Lee7,263 people
  10. District 1, St. Inigoes6,979 people
  11. Leonardtown (town)4,808 people
  12. Golden Beach (CDP)3,830 people
All 20
  1. District 7, Milestown3,204 people
  2. Mechanicsville (CDP)1,395 people
  3. Piney Point (CDP)1,274 people
  4. Charlotte Hall (CDP)1,172 people
  5. Callaway (CDP)930 people
  6. Tall Timbers (CDP)391 people
  7. District 9, St. George Island277 people
  8. St. George Island (CDP)277 people

A town, township, city or borough is listed when at least half its land is in the district; a community, when its central point is. Near a district line, an address can belong to the district next door.

Bordering unified school districts, nearest first

  1. Westmoreland County Public Schools, Virginia17 mi southwest
  2. Calvert County Public Schools20 mi north
  3. Northumberland County Public Schools, Virginia26 mi south
  4. Dorchester County Public Schools28 mi northeast
  5. Charles County Public Schools31 mi northwest
  6. Somerset County Public Schools38 mi east

These share a boundary with St. Marys County Public Schools. Distances are straight lines between central points.

Before using this answer for enrollment

A district boundary doesn’t decide which school a student attends; the district’s attendance zones and rules do. Confirm the full address and grade with St. Marys County Public Schools before you rely on it.

See its schools and enrollment on NCES ↗

Find the school district where you are now or find your town or township.