Enrollment
249
Maine · 2024-25 NCES data
Elementary school (grades K-5) · Deer Isle, ME
Federal NCES profile for Deer Isle-Stonington Elementary Sch, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
The verdict
Deer Isle-Stonington Elementary Sch earns 47/100 on the Resource Investment Index, with class sizes near the Maine median.
Deer Isle-Stonington Elementary Sch has class sizes near the Maine median. Computed live against every Maine school reporting to NCES.
NCES ID 230489500509 Verify on NCES CCD record →
Enrollment
249
Maine · 2024-25 NCES data
Teachers (FTE)
22.0
Federal CCD staff survey
Students per teacher
11.3:1
vs 11.1:1 Maine avg
+2% vs state
Free-lunch eligible
28.6%
vs 34.0% Maine avg
-16% vs state
How Deer Isle-Stonington Elementary Sch compares with Maine and U.S. medians
Slightly above state median
11.3:1 - 0.2 above the Maine state median of 11.1:1, indicating larger average class loads than typical schools in the state.
Deer Isle-Stonington Elementary Sch is a mid-sized elementary school in Deer Isle, Maine, enrolling 249 students.
At 11.3:1, its student-teacher ratio sits close to the Maine median, within a few percentage points of the 11.1:1 state norm, neither notably crowded nor notably small.
Its free-meal eligibility rate of 28.6% lands close to the Maine typical range, neither a high- nor low-need campus by this measure.
With 249 students, its enrollment sits close to the Maine median campus size.
Its Resource Investment Index sits near the middle of the pack among 569 scored Maine schools.
Against 159 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #61.
Its student body is predominantly White (96% of enrollment) (diversity index 7/100).
Counselor coverage is strong, about 125 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 28.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district, Deer Isle-Stonington Csd, also runs Deer Isle-Stonington High Sch (94 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
Deer Isle-Stonington Elementary Sch on the metrics families compare, against Maine and U.S. means.
| Metric | This school | vs Maine | Maine avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.3:1 | ▲ 2% | 11.1:1 | 15.7:1 |
| Free-lunch eligible | 28.6% | ▼ 16% | 34.0% | 51.7% |
| Enrollment | 249 | top 49% | - | - |
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 96.4% of enrollment.
Simpson diversity index - at 7.0, Deer Isle-Stonington Elementary Sch is less mixed than the Maine school average of 20.6.
District-wide per-pupil expenditure for Deer Isle-Stonington Csd, which includes Deer Isle-Stonington Elementary Sch.
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 |
|---|---|---|---|
| Deer Isle-Stonington High Sch | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Deer Isle-Stonington Elementary Sch'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 Deer Isle-Stonington Elementary Sch'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.
Deer Isle-Stonington Elementary Sch has 249 students enrolled. It is an elementary school in Deer Isle, ME.
The student-teacher ratio at Deer Isle-Stonington Elementary Sch is 11.3:1, which is 2% higher than the Maine average of 11.1:1 and 28% lower than the national average of 15.7:1.
28.6% of students at Deer Isle-Stonington Elementary Sch are eligible for free lunch, compared to the Maine average of 34.0%.
The largest demographic group at Deer Isle-Stonington Elementary Sch is White at 96.4% of enrollment, in Deer Isle, ME.
Deer Isle-Stonington Elementary Sch has a Resource Investment Index of 47/100 (typical 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).
Deer Isle-Stonington Elementary Sch earns 47/100 on the Resource Investment Index, with class sizes near the Maine median. 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 Deer Isle-Stonington Elementary Sch, Deer Isle-Stonington Csd also operates Deer Isle-Stonington High Sch (94 students). See the Deer Isle-Stonington Csd 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.
Published by
PlainSchools Editorial
Independent public-data reference that compiles, verifies, and contextualizes official datasets. We do not accept compensation from entities we cover, and every dataset cites its originating public source.
Last updated:
PlainSchools, “Deer Isle-Stonington Elementary Sch, Deer Isle 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/deer-isle-stonington-elementary-sch-me
You are welcome to quote these figures with attribution to PlainSchools and the underlying source. The URL above is stable.