Enrollment
262
Maine · 2024-25 NCES data
Other / mixed grade configuration · Chelsea, ME
Federal NCES profile for Chelsea Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
The verdict
Chelsea Elementary School earns 47/100 on the Resource Investment Index, with class sizes smaller than 91% of Maine schools.
Chelsea Elementary School has class sizes smaller than 91% of Maine schools. Computed live against every Maine school reporting to NCES.
Enrollment
262
Maine · 2024-25 NCES data
Teachers (FTE)
35.0
Federal CCD staff survey
Students per teacher
7.5:1
vs 11.1:1 Maine avg
-32% vs state
Free-lunch eligible
45.2%
vs 34.0% Maine avg
+33% vs state
How Chelsea Elementary School compares with Maine and U.S. medians
Smaller classes than state median
7.5:1 - 3.6 below the Maine state median of 11.1:1, indicating smaller average class loads than typical schools in the state.
Chelsea Elementary School is a mid-sized combined-grade school in Chelsea, Maine, enrolling 262 students.
Classes run notably small here: at 7.5:1, Chelsea Elementary School is leaner than roughly 91% of Maine schools and 32% under the state's 11.1:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat above the state's typical profile, with 45.2% of students eligible for free meals.
With 262 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 126 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #36.
Its student body is predominantly White (94% of enrollment) (diversity index 13/100).
Chronic absenteeism is elevated: 40.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Rsu 12 spends $12,672 per pupil, 37% below the Maine average, a leaner-resourced district than most.
Rsu 12 also operates Windsor Elementary School (288 students) and Whitefield Elementary School (184 students) alongside Chelsea Elementary 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
Chelsea Elementary 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 | 7.5:1 | ▼ 32% | 11.1:1 | 15.7:1 |
| Free-lunch eligible | 45.2% | ▲ 33% | 34.0% | 51.7% |
| Enrollment | 262 | top 46% | - | - |
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 93.5% of enrollment.
Simpson diversity index - at 12.5, Chelsea Elementary School is less mixed than the Maine school average of 20.6.
District-wide per-pupil expenditure for Rsu 12, which includes Chelsea Elementary 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 |
|---|---|---|---|
| Windsor Elementary School | Similar size | Similar economic need | Higher S:T ratio |
| Whitefield Elementary School | Smaller | Similar economic need | Higher S:T ratio |
| Palermo Consolidated School | Smaller | Lower economic need | Similar S:T ratio |
| Somerville Elementary School | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Chelsea Elementary 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 Chelsea Elementary 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.
Chelsea Elementary School has 262 students enrolled. It is a public school in Chelsea, ME.
The student-teacher ratio at Chelsea Elementary School is 7.5:1, which is 32% lower than the Maine average of 11.1:1 and 52% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
45.2% of students at Chelsea Elementary School are eligible for free lunch, compared to the Maine average of 34.0%.
The largest demographic group at Chelsea Elementary School is White at 93.5% of enrollment, in Chelsea, ME.
Chelsea Elementary School has a Resource Investment Index of 47/100 (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).
Chelsea Elementary School earns 47/100 on the Resource Investment Index, with class sizes smaller than 91% 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 Chelsea Elementary School, Rsu 12 also operates Windsor Elementary School (288 students), Whitefield Elementary School (184 students), and Palermo Consolidated School (111 students). See the Rsu 12 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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PlainSchools, “Chelsea Elementary School, Chelsea 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/chelsea-elementary-school-me
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