Enrollment
157
Maine · 2024-25 NCES data
Other / mixed grade configuration · Mars Hill, ME
Federal NCES profile for Central Aroostook Jr-Sr H S, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
The verdict
Central Aroostook Jr-Sr H S earns 45/100 on the Resource Investment Index, with class sizes smaller than 86% of Maine schools.
Central Aroostook Jr-Sr H S has class sizes smaller than 86% of Maine schools. Computed live against every Maine school reporting to NCES.
NCES ID 231161000497 Verify on NCES CCD record →
Enrollment
157
Maine · 2024-25 NCES data
Teachers (FTE)
19.0
Federal CCD staff survey
Students per teacher
8.3:1
vs 11.1:1 Maine avg
-25% vs state
Free-lunch eligible
25.0%
vs 34.0% Maine avg
-26% vs state
How Central Aroostook Jr-Sr H S 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.
Central Aroostook Jr-Sr H S is a mid-sized combined-grade school in Mars Hill, Maine, enrolling 157 students.
Classes run notably small here: at 8.3:1, Central Aroostook Jr-Sr H S 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 below the state's typical profile, with 25.0% of students eligible for free meals.
Enrollment of 157 puts it in the smaller third of Maine schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 569 scored Maine schools.
Against 110 statewide peers matched on enrollment and economic need, it ranks mid-pack at #59.
Its student body is predominantly White (94% of enrollment) (diversity index 12/100).
Attendance runs somewhat below the norm, with 24.2% of students chronically absent per the 2021-22 civil-rights collection.
Among Mars Hill's public schools, it stands alongside Fort Street School (176 students): Central Aroostook Jr-Sr H S is smaller than that campus by headcount and runs leaner classes (8.3:1 vs 9.8:1).
Its district, Rsu 42/Msad 42, also runs Fort Street School (176 students).
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
Central Aroostook Jr-Sr H S 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 | 25.0% | ▼ 26% | 34.0% | 51.7% |
| Enrollment | 157 | top 71% | - | - |
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 93.6% of enrollment.
Simpson diversity index - at 12.2, Central Aroostook Jr-Sr H S is less mixed than the Maine school average of 20.6.
District-wide per-pupil expenditure for Rsu 42/Msad 42, which includes Central Aroostook Jr-Sr H S.
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 |
|---|---|---|---|
| Fort Street School | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Central Aroostook Jr-Sr H S's own figures; each column derives from NCES Common Core of Data.
1 comparable other schools (grades Mixed) serving the same city.
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 Central Aroostook Jr-Sr H S'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.
Central Aroostook Jr-Sr H S has 157 students enrolled. It is a public school in Mars Hill, ME.
The student-teacher ratio at Central Aroostook Jr-Sr H S 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.
25.0% of students at Central Aroostook Jr-Sr H S are eligible for free lunch, compared to the Maine average of 34.0%.
The largest demographic group at Central Aroostook Jr-Sr H S is White at 93.6% of enrollment, in Mars Hill, ME.
Central Aroostook Jr-Sr H S has a Resource Investment Index of 45/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Central Aroostook Jr-Sr H S earns 45/100 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 Central Aroostook Jr-Sr H S, Rsu 42/Msad 42 also operates Fort Street School (176 students). See the Rsu 42/Msad 42 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, “Central Aroostook Jr-Sr H S, Mars Hill 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/central-aroostook-jr-sr-h-s-me
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