Enrollment
45
Maine · 2024-25 NCES data
Other / mixed grade configuration · Castine, ME
Federal NCES profile for Adams School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 71/100.
The verdict
Adams School earns 71/100 on the Resource Investment Index, with class sizes smaller than 98% of Maine schools.
Adams School has class sizes smaller than 98% of Maine schools. Computed live against every Maine school reporting to NCES.
NCES ID 230408000117 Verify on NCES CCD record →
Enrollment
45
Maine · 2024-25 NCES data
Teachers (FTE)
9.0
Federal CCD staff survey
Students per teacher
5:1
vs 11.1:1 Maine avg
-55% vs state
Free-lunch eligible
5.7%
vs 34.0% Maine avg
-83% vs state
How Adams School compares with Maine and U.S. medians
Adams School sits near the smaller end of the Maine enrollment distribution while also reporting a lower student-teacher ratio than most state schools. That pairing is consistent with a compact, teacher-dense setting, though small scale can limit the number of specialized courses or support roles a campus can sustain. The program and staffing sections below show whether the lean ratio extends beyond classroom teachers into broader student services.
Adams School reports lower free-meal eligibility than most Maine schools and an above-typical Resource Investment Index. The two measures move together, a pattern consistent with the resource advantages that often accompany a lower-need intake. That association should not be mistaken for a causal verdict about the school; it is a transparent description of how this campus sits on two independent federal-data dimensions.
2.2% of Adams School students were chronically absent in the 2021-22 civil-rights collection. On its face, that is a comparatively low historical rate, though this page does not treat it as a current national benchmark or guarantee current-year performance. Here, attendance is a more distinctive signal than the presence or absence of any single specialist role.
Adams School is a lower-poverty, small combined-grade school in Castine, Maine, enrolling 45 students.
Classes run notably small here: at 5:1, Adams School is leaner than roughly 98% of Maine schools and 55% under the state's 11.1:1 norm, more adult attention per pupil than most peers.
Comparatively few students face economic hardship here, 5.7% free-meal eligibility runs 83% below the Maine average.
This is a small campus: fewer students than 94% of Maine schools, with 45 enrolled.
Its Resource Investment Index outscores 99% of the 569 Maine schools with a score on record, a top-tier result on this measure.
Its student body is predominantly White (96% of enrollment) (diversity index 8/100).
Counselor coverage is strong, about 113 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance holds up well here: only 2.2% of students were chronically absent, below the typical post-pandemic national figure.
The surrounding Castine Public Schools spends $14,568 per pupil, 27% below the Maine average, a leaner-resourced district than most.
Castine Public Schools operates only this one school, so Adams School has no district-mates to compare against locally. At 45 students, it is also a small operation, on the smaller end of Maine's single-school districts.
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
Adams 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 | 5:1 | ▼ 55% | 11.1:1 | 15.7:1 |
| Free-lunch eligible | 5.7% | ▼ 83% | 34.0% | 51.7% |
| Enrollment | 45 | top 94% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Largest group: White at 95.6% of enrollment.
Simpson diversity index - at 8.4, Adams School is less mixed than the Maine school average of 20.6.
District-wide per-pupil expenditure for Castine Public Schools, which includes Adams 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.
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 Adams 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.
Adams School has 45 students enrolled. It is a public school in Castine, ME.
The student-teacher ratio at Adams School is 5:1, which is 55% lower than the Maine average of 11.1:1 and 68% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
5.7% of students at Adams School are eligible for free lunch, compared to the Maine average of 34.0%.
The largest demographic group at Adams School is White at 95.6% of enrollment, in Castine, ME.
Adams School has a Resource Investment Index of 71/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
None reported; Castine Public Schools operates only Adams School as a public school district in NCES's records.
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 July 2026.