Enrollment
307
Maine · 2024-25 NCES data
Middle school (grades 6-8) · Thomaston, ME
Federal NCES profile for Oceanside Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 52/100.
The verdict
Oceanside Middle School earns 52/100 on the Resource Investment Index, with class sizes smaller than 86% of Maine schools.
Oceanside Middle School has class sizes smaller than 86% of Maine schools. Computed live against every Maine school reporting to NCES.
Enrollment
307
Maine · 2024-25 NCES data
Teachers (FTE)
37.0
Federal CCD staff survey
Students per teacher
8.3:1
vs 11.1:1 Maine avg
-25% vs state
Free-lunch eligible
40.4%
vs 34.0% Maine avg
+19% vs state
How Oceanside Middle School compares with Maine and U.S. medians
Smaller classes than state median
8.3:1 - 2.8 below the Maine state median of 11.1:1, indicating smaller average class loads than typical schools in the state.
Oceanside Middle School is a mid-sized middle school in Thomaston, Maine, enrolling 307 students.
Classes run notably small here: at 8.3:1, Oceanside Middle School is leaner than roughly 86% of Maine schools and 25% under the state's 11.1:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat above the state's typical profile, with 40.4% of students eligible for free meals.
With 307 students, its enrollment sits close to the Maine median campus size.
Its Resource Investment Index lands in the upper third of 569 scored Maine schools.
Against 131 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #22.
Its student body is predominantly White (91% of enrollment) (diversity index 17/100).
Counselor coverage is strong, about 154 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 59.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Discipline events run high: 73 in- and out-of-school suspensions were reported for 307 students in the 2021-22 Civil Rights Data Collection.
Rsu 13 also operates Oceanside High School (494 students) and South School (311 students) alongside Oceanside Middle School.
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
Oceanside Middle School on the metrics families compare, against Maine and U.S. means.
| Metric | This school | vs Maine | Maine avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 8.3:1 | ▼ 25% | 11.1:1 | 15.7:1 |
| Free-lunch eligible | 40.4% | ▲ 19% | 34.0% | 51.7% |
| Enrollment | 307 | top 37% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 90.9% of enrollment.
Simpson diversity index - at 17.1, Oceanside Middle School is less mixed than the Maine school average of 20.6.
District-wide per-pupil expenditure for Rsu 13, which includes Oceanside Middle School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Oceanside High School | Larger | Similar economic need | Higher S:T ratio |
| South School | Similar size | Higher economic need | Similar S:T ratio |
| Thomaston Grammar School | Smaller | Similar economic need | Similar S:T ratio |
| Ash Point Community School | Smaller | Lower economic need | Higher S:T ratio |
| Cushing Community School | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Oceanside Middle School's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of Maine, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Oceanside Middle School's federal record.
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.
Oceanside Middle School has 307 students enrolled. It is a middle school in Thomaston, ME.
The student-teacher ratio at Oceanside Middle School is 8.3:1, which is 25% lower than the Maine average of 11.1:1 and 47% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
40.4% of students at Oceanside Middle School are eligible for free lunch, compared to the Maine average of 34.0%.
The largest demographic group at Oceanside Middle School is White at 90.9% of enrollment, in Thomaston, ME.
Oceanside Middle School has a Resource Investment Index of 52/100 (higher 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).
Oceanside Middle School earns 52/100 on the Resource Investment Index, with class sizes smaller than 86% of Maine 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.
Besides Oceanside Middle School, Rsu 13 also operates Oceanside High School (494 students), South School (311 students), and Thomaston Grammar School (164 students). See the Rsu 13 district page for the complete list.
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.
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PlainSchools, “Oceanside Middle School, Thomaston ME.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/oceanside-middle-school-me
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