Enrollment
64
Maine · 2024-25 NCES data
Other / mixed grade configuration · Islesboro, ME
Islesboro Central School
Federal NCES profile for Islesboro Central School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataOther / mixed grade configurationNCES 230681000171
👥 S:T ratio 79
🌟 Gifted program 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Islesboro Central School earns 36/100 on the Resource Investment Index, with class sizes smaller than 97% of Maine schools.
- 36
- Resource Index · Typical
- 5.3:1
- small classes for Maine
- 18.3%
- free-lunch eligible
- 64
- students enrolled
Islesboro Central School has class sizes smaller than 97% of Maine schools. Computed live against every Maine school reporting to NCES.
School address
District: Islesboro Public Schools · Maine
NCES ID 230681000171 Verify on NCES CCD record →
Teachers (FTE)
12.0
Federal CCD staff survey
Students per teacher
5.3:1
vs 11.1:1 Maine avg
-52% vs state
Free-lunch eligible
18.3%
vs 34.0% Maine avg
-46% vs state
Student-teacher ratio in context
How Islesboro Central School compares with Maine and U.S. medians
What stands out at Islesboro Central School
Islesboro Central School is a lower-poverty, small combined-grade school in Islesboro, Maine, enrolling 64 students.
Classes run notably small here: at 5.3:1, Islesboro Central School is leaner than roughly 97% of Maine schools and 52% 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 18.3% of students eligible for free meals.
This is a small campus: fewer students than 91% of Maine schools, with 64 enrolled.
Its Resource Investment Index lands in the lower third of 569 scored Maine schools.
Among 18 similarly sized, similarly resourced-need Maine schools statewide, it ranks #14, in the lower tier once campus size and economic need are matched.
Its student body is predominantly White (98% of enrollment) (diversity index 3/100).
Chronic absenteeism is elevated: 60.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Islesboro Public Schools spends $28,128 per pupil, 40% above the Maine average, a better-resourced district than most.
Islesboro Public Schools operates only this one school, so Islesboro Central School has no district-mates to compare against locally. At 64 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
How Islesboro Central School compares
Islesboro Central 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 | 5.3:1 | ▼ 52% | 11.1:1 | 15.7:1 |
| Free-lunch eligible | 18.3% | ▼ 46% | 34.0% | 51.7% |
| Enrollment | 64 | top 91% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
5.3:1
Leaner classes than 98% of US schools, among the more generously staffed nationally.
64
Bigger than 7% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
18.3%
free-lunch eligible
- 46% below the Maine average of 34.0%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
5.3:1
students per teacher
- 52% below state mean
Top 3% in Maine - lower ratio than 97% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
60.9%
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
$28,128
per pupil, district-wide
- above Maine avg of $20,083
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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 98.4%
African American 1.6%
Largest group: White at 98.4% of enrollment.
Student-body diversity index 3.1/100
Simpson diversity index - at 3.1, Islesboro Central School is less mixed than the Maine school average of 20.6.
Programs
AP courses offered 3
Funding & spending
District-wide per-pupil expenditure for Islesboro Public Schools, which includes Islesboro Central School.
$28,128
Per student
+40%
vs Maine
Avg $20,083
+70%
vs U.S.
Avg $16,593
Revenue mix
Local 87.6%
State 9.7%
Federal 2.7%
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.
Similar other schools statewide
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.
Similar enrollment (~64 students)
Similar student-teacher ratio (~5.3:1)
Next steps
Verify locally before acting on Islesboro Central School's federal record.
- Compare Islesboro Central School against another school. Compare schools
- Islesboro 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 Islesboro Central School
How many students attend Islesboro Central School?
Islesboro Central School has 64 students enrolled. It is a public school in Islesboro, ME.
What is the student-teacher ratio at Islesboro Central School?
The student-teacher ratio at Islesboro Central School is 5.3:1, which is 52% lower than the Maine average of 11.1:1 and 66% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Islesboro Central School?
18.3% of students at Islesboro Central School are eligible for free lunch, compared to the Maine average of 34.0%.
What is the racial and ethnic makeup of Islesboro Central School?
The largest demographic group at Islesboro Central School is White at 98.4% of enrollment, in Islesboro, ME.
What is the Resource Investment Index for Islesboro Central School?
Islesboro Central School has a Resource Investment Index of 36/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, AP course offerings, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Is Islesboro Central School a good school?
Islesboro Central School earns 36/100 on the Resource Investment Index, with class sizes smaller than 97% 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.
What other schools are in Islesboro Public Schools?
None reported; Islesboro Public Schools operates only Islesboro Central School as a public school district in NCES's records.
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.