Total enrollment
16,905
-341 (-2%) vs SY 2020-21
28 schools in St. Mary's County Public Schools
Maryland · 16,905 students · 12 cities
From elementary through high school, St. Mary's County Public Schools runs 28 public K-12 schools (19 elementary, 4 middle, and 4 high), with combined enrollment of about 16,905.
4-year change in St. Mary's County Public Schools
SY 2020-21 vs SY 2024-25School count
26
0 (0%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages
How St. Mary's County Public Schools ranks
Among districts| Measure | This district | In Maryland | In the US |
|---|---|---|---|
| State test proficiency ranked highest first | 46.7% | #7 of 24 | N/A |
| Enrollment ranked largest first | 16,905 | #12 of 24 | #481 of 9,234 |
| Number of schools ranked most first | 26 | #13 of 24 | N/A |
| Students per teacher ranked fewest first | 16.4:1 | #24 of 24 | #6,749 of 9,044 |
| Free or reduced-price lunch share ranked highest first | 40.9% | #17 of 24 | #5,419 of 8,164 |
| Diversity index ranked most diverse first | 59.6% | #15 of 23 | #1,690 of 6,853 |
Districts need at least 2 schools and 500 students to be ranked. Test proficiency is ranked within the state only, since each state gives a different test. Each rank links to the full list.
Inside St. Mary's County Public Schools
State test results across the district's 26 scored schools run from White Marsh Elementary at 71.7% proficient to Lexington Park Elementary at 22.0%, a gap of 49.7 points. That is the 11th widest gap among 24 Maryland districts with four or more scored schools.
Since 2017-18, the 26 district schools that reported both years went from 18,053 to 16,905 students (down 6%) and from 1,029 to 1,029 full-time teachers (unchanged), as of 2024-25.
Proficient is the average share of students meeting the state standard across each school's state tests in 2023-24 and 2024-25; schools with fewer than 100 students and schools serving specialized populations are left out. Staffing figures come from the NCES Common Core of Data and count only schools that reported students and teachers in both years.
About St. Mary's County Public Schools
Across 28 schools, St. Mary's County Public Schools educates about 16,905 students in Maryland. By footprint it is a medium-population district.
On the level-by-level breakdown, St. Mary's County Public Schools is built around 19 elementary, 4 middle, 4 high schools, and 1 combined or other.
Five-year track record. Total public-school enrollment in St. Mary's County Public Schools has stayed largely flat since SY 2020-21, moving from about 17,246 students to 16,905.
On this page, the community for St. Mary's County Public Schools discusses school events, board meetings, and seasonal calendars. Members of the local community share what they see day-to-day.