Enrollment
369
Maine · 2024-25 NCES data
High school (grades 9-12) · Rumford, ME
Federal NCES profile for Mountain Valley High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
The verdict
Mountain Valley High School earns 38/100 on the Resource Investment Index, with class sizes larger than 76% of Maine schools.
Mountain Valley High School has class sizes larger than 76% of Maine schools. Computed live against every Maine school reporting to NCES.
Enrollment
369
Maine · 2024-25 NCES data
Teachers (FTE)
30.0
Federal CCD staff survey
Students per teacher
12.3:1
vs 11.1:1 Maine avg
+11% vs state
Free-lunch eligible
62.6%
vs 34.0% Maine avg
+84% vs state
How Mountain Valley High School compares with Maine and U.S. medians
Slightly above state median
12.3:1 - 1.2 above the Maine state median of 11.1:1, indicating larger average class loads than typical schools in the state.
Mountain Valley High School is a higher-need, mid-sized high school in Rumford, Maine, enrolling 369 students.
Class loads run somewhat heavier than typical: 12.3:1 puts it in the larger third of Maine schools by student-teacher ratio.
Economic need is high: 62.6% of students qualify for free meals, 84% above the Maine average, a Title I-weighted population that federal funding formulas prioritise.
Enrollment of 369 puts it in the larger third of Maine schools by headcount.
Its Resource Investment Index lands in the lower third of 569 scored Maine schools.
Against 43 statewide peers matched on enrollment and economic need, it ranks mid-pack at #27.
Its student body is predominantly White (89% of enrollment) (diversity index 21/100).
On the academic-pipeline side it reports 9 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 369 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 66.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 25.0% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Rsu 10 also operates Mountain Valley Middle School (376 students) and Hartford-Sumner Elementary School (297 students) alongside Mountain Valley High 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
Mountain Valley High 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 | 12.3:1 | ▲ 11% | 11.1:1 | 15.7:1 |
| Free-lunch eligible | 62.6% | ▲ 84% | 34.0% | 51.7% |
| Enrollment | 369 | top 28% | - | - |
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 88.9% of enrollment.
Simpson diversity index - at 20.5, Mountain Valley High School is about as mixed as the Maine school average of 20.6.
District-wide per-pupil expenditure for Rsu 10, which includes Mountain Valley High 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 |
|---|---|---|---|
| Mountain Valley Middle School | Similar size | Similar economic need | Similar S:T ratio |
| Hartford-Sumner Elementary School | Similar size | Lower economic need | Lower S:T ratio |
| Meroby Elementary School | Smaller | Similar economic need | Lower S:T ratio |
| Buckfield Jr-Sr High School | Smaller | Lower economic need | Lower S:T ratio |
| Rumford Elementary | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Mountain Valley High 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 Mountain Valley High 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.
Mountain Valley High School has 369 students enrolled. It is a high school in Rumford, ME.
The student-teacher ratio at Mountain Valley High School is 12.3:1, which is 11% higher than the Maine average of 11.1:1 and 22% lower than the national average of 15.7:1.
62.6% of students at Mountain Valley High School are eligible for free lunch, compared to the Maine average of 34.0%.
The largest demographic group at Mountain Valley High School is White at 88.9% of enrollment, in Rumford, ME.
Mountain Valley High School has a Resource Investment Index of 38/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Mountain Valley High School earns 38/100 on the Resource Investment Index, with class sizes larger than 76% 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 Mountain Valley High School, Rsu 10 also operates Mountain Valley Middle School (376 students), Hartford-Sumner Elementary School (297 students), and Meroby Elementary School (256 students). See the Rsu 10 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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Last updated:
PlainSchools, “Mountain Valley High School, Rumford 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/mountain-valley-high-school-me
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