Enrollment
291
Maryland · 2024-25 NCES data
Other / mixed grade configuration · Mechanicsville, MD
Oakville Elementary
Federal NCES profile for Oakville Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
2024-25 NCES dataOther / mixed grade configurationNCES 240060001233
👥 S:T ratio 32
🌟 Gifted program 70
🎓 Counselors 42
📋 Attendance 32
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Oakville Elementary earns 44/100 on the Resource Investment Index, with class sizes larger than 82% of Maryland schools.
- #3 of 5
- public schools in Mechanicsville · Resource Index
- 44
- Resource Index · Typical
- 17.1:1
- large classes for Maryland
- 38.8%
- free-lunch eligible
Oakville Elementary has class sizes larger than 82% of Maryland schools. Computed live against every Maryland school reporting to NCES.
By Resource Investment Index, Oakville Elementary ranks #3 of 5 public schools in Mechanicsville, MD.
School address
District: St. Mary's County Public Schools · Maryland
NCES ID 240060001233 Verify on NCES CCD record →
Teachers (FTE)
17.0
Federal CCD staff survey
Students per teacher
17.1:1
vs 14.5:1 Maryland avg
+18% vs state
Free-lunch eligible
38.8%
vs 49.0% Maryland avg
-21% vs state
Student-teacher ratio in context
How Oakville Elementary compares with Maryland and U.S. medians
What stands out at Oakville Elementary
Oakville Elementary is a small combined-grade school in Mechanicsville, Maryland, enrolling 291 students.
Class loads run somewhat heavier than typical: 17.1:1 puts it in the larger third of Maryland schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 38.8% of students eligible for free meals.
Enrollment of 291 puts it in the smaller third of Maryland schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,382 scored Maryland schools.
Among 110 similarly sized, similarly resourced-need Maryland schools statewide, it ranks #83, in the lower tier once campus size and economic need are matched.
Its student body is led by White (72%) and African American (10%) (diversity index 45/100).
Counselor coverage runs a bit thin, about 291 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 27.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding St. Mary's County Public Schools spends $16,038 per pupil, 22% below the Maryland average, a leaner-resourced district than most.
Among Mechanicsville's public schools, it stands alongside Lettie Marshall Dent Elem (479 students): Oakville Elementary is smaller than that campus by headcount and runs heavier classes (17.1:1 vs 15.5:1).
St. Mary's County Public Schools also operates Leonardtown High (2,118 students) and Great Mills High (1,697 students) alongside Oakville Elementary.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Oakville Elementary compares
Oakville Elementary on the metrics families compare, against Maryland and U.S. means.
| Metric | This school | vs Maryland | Maryland avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.1:1 | ▲ 18% | 14.5:1 | 15.7:1 |
| Free-lunch eligible | 38.8% | ▼ 21% | 49.0% | 51.7% |
| Enrollment | 291 | top 86% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.1:1
Leaner classes than 30% of US schools, heavier class loads than most.
291
Bigger than 31% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
38.8%
free-lunch eligible
- 21% below the Maryland average of 49.0%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
17.1:1
students per teacher
- 18% above state mean
Top 82% in Maryland - lower ratio than 18% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
27.1%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$16,038
per pupil, district-wide
- below Maryland avg of $20,446
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors1.0 FTE
Per 291 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 4 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.4 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 72.2%
African American 10.3%
Two or More 10.3%
Hispanic or Latino 6.9%
Asian 0.3%
Largest group: White at 72.2% of enrollment.
Student-body diversity index 45.3/100
Simpson diversity index - at 45.3, Oakville Elementary is less mixed than the Maryland school average of 52.3.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for St. Mary's County Public Schools, which includes Oakville Elementary.
$16,038
Per student
-22%
vs Maryland
Avg $20,446
-3%
vs U.S.
Avg $16,593
Revenue mix
Local 45.1%
State 41.2%
Federal 13.6%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Oakville Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Leonardtown High | Larger | Lower economic need | Higher S:T ratio |
| Great Mills High | Larger | Higher economic need | Higher S:T ratio |
| Chopticon High | Larger | Similar economic need | Higher S:T ratio |
| Leonardtown Middle | Larger | Lower economic need | Similar S:T ratio |
| Spring Ridge Middle | Larger | Higher economic need | Lower S:T ratio |
Comparisons are relative to Oakville Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,118
- Students per teacher
- 23.5:1
- Resource Index
- 32/100
- Enrollment
- 1,697
- Students per teacher
- 18.6:1
- Resource Index
- 32/100
- Enrollment
- 1,526
- Students per teacher
- 19.1:1
- Resource Index
- 35/100
- Enrollment
- 969
- Students per teacher
- 17.6:1
- Resource Index
- 43/100
- Enrollment
- 913
- Students per teacher
- 15:1
- Resource Index
- 37/100
Similar other schools in Mechanicsville
1 comparable other schools (grades Mixed) serving the same city.
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Maryland, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~291 students)
Similar student-teacher ratio (~17.1:1)
Next steps
Verify locally before acting on Oakville Elementary's federal record.
- Compare Oakville Elementary against another school. Compare schools
- St. Mary's County Public Schools's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Oakville Elementary
How many students attend Oakville Elementary?
Oakville Elementary has 291 students enrolled. It is a public school in Mechanicsville, MD.
What is the student-teacher ratio at Oakville Elementary?
The student-teacher ratio at Oakville Elementary is 17.1:1, which is 18% higher than the Maryland average of 14.5:1 and 9% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Oakville Elementary?
38.8% of students at Oakville Elementary are eligible for free lunch, compared to the Maryland average of 49.0%.
What is the racial and ethnic makeup of Oakville Elementary?
The largest demographic group at Oakville Elementary is White at 72.2% of enrollment, in Mechanicsville, MD.
What is the Resource Investment Index for Oakville Elementary?
Oakville Elementary has a Resource Investment Index of 44/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Oakville Elementary rank among public schools in Mechanicsville?
By Resource Investment Index, Oakville Elementary ranks #3 of 5 public schools in Mechanicsville, MD. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Mechanicsville on the city page.
Is Oakville Elementary a good school?
Oakville Elementary earns 44/100 on the Resource Investment Index, with class sizes larger than 82% of Maryland schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in St. Mary's County Public Schools?
Besides Oakville Elementary, St. Mary's County Public Schools also operates Leonardtown High (2,118 students), Great Mills High (1,697 students), and Chopticon High (1,526 students). See the St. Mary's County Public Schools district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.