Oakville Elementary
Test scores
MCAP 2024-25 . % Proficient (Levels 3-4)What this means: On the MCAP, Maryland's statewide test, about 65 of every 100 students at this school read and write at grade level and about 69 of 100 do math at grade level. Across all Maryland schools, those numbers are about 51 and 35. Reading and writing scores are up about 18 points since 2023, while math scores are up about 22 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 57% of students here test proficient in math and reading, compared with the roughly 49% typical for Maryland schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Maryland's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Oakville Elementary
As a modestly sized elementary campus in Mechanicsville, Maryland, Oakville Elementary teaches 291 students from grades pre-K through 5, one of the schools within St. Mary's County Public Schools. Enrollment runs roughly 40% leaner than the state mean of about 481.
Across the 26 schools in St. Mary's County Public Schools (16,905 students total), Oakville Elementary accounts for its share of the district's footprint.
Looking at the student body, Oakville Elementary reports that the largest single group is White, at 72% of enrollment. Beyond that, the school shows 10% Black, 10% multiracial, 7% Hispanic. That composition is broadly in line with St. Mary's County as a whole.
Looking at the economic backdrop, On paper, Oakville Elementary has 20 full-time-equivalent teachers, translating to a class-load average of around 14.6:1. Statewide, the average ratio sits near 13.8:1, putting Oakville Elementary higher than the state norm the norm. About 43% of enrolled students meet the income threshold for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal.
On a demographically-adjusted basis, Oakville Elementary tracks the demographic baseline. The model predicts 48.8% given the school's FRL share; actual proficiency is 57.0%.
In the area at large, census data for St. Mary's County shows median household income runs about $119,446, 37% of adults hold a bachelor's degree or higher, and the poverty rate sits near 6%. Across St. Mary's County's 28 public schools (combined enrollment of about 16,905 students), Oakville Elementary is one campus in the mix.
Margaret Brent Middle is the nearest neighboring public school, about 3.9 miles from this campus. Within five miles, there are 3 other public schools. On composite proficiency, Oakville Elementary comes 4th of 9 in the immediate cluster, higher than the nearby-schools average of 52.8%.
Geographically, the school is in a countryside area.
Trend over the last 7 years. Over the past 7-year window, the student count climbed 9%: 267 students in 2018 compared to 291 in 2025. White enrollment moved from 77% to 72% across the same window. The student-to-teacher ratio fell from 15.7:1 in 2018 to 14.6:1 today.
Inside the community feed, members of the Oakville Elementary community share and discuss enrollment questions, classroom assignments, and PTA news. Parents, students, alumni, and staff are welcome to weigh in.
St. Mary's County at a glance
View full county profileQuick facts
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