Enrollment
250
Maine · 2024-25 NCES data
Other / mixed grade configuration · Calais, ME
Federal NCES profile for Calais Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 31/100.
The verdict
Calais Elementary School earns 31/100 on the Resource Investment Index, even as it posts class sizes smaller than 75% of Maine schools.
Calais Elementary School has class sizes smaller than 75% of Maine schools. Computed live against every Maine school reporting to NCES.
NCES ID 230387000105 Verify on NCES CCD record →
Enrollment
250
Maine · 2024-25 NCES data
Teachers (FTE)
26.0
Federal CCD staff survey
Students per teacher
9.6:1
vs 11.1:1 Maine avg
-14% vs state
Free-lunch eligible
53.5%
vs 34.0% Maine avg
+57% vs state
How Calais Elementary School compares with Maine and U.S. medians
At or below state median
9.6:1 - 1.5 below the Maine state median of 11.1:1, indicating smaller average class loads than typical schools in the state.
Calais Elementary School is a higher-need, mid-sized combined-grade school in Calais, Maine, enrolling 250 students.
Class sizes run a bit leaner than typical: 9.6:1 puts it in the smaller third of Maine schools by student-teacher ratio.
Economic need is high: 53.5% of students qualify for free meals, 57% above the Maine average, a Title I-weighted population that federal funding formulas prioritise.
With 250 students, its enrollment sits close to the Maine median campus size.
Its Resource Investment Index trails 93% of the 569 Maine schools with a score on record, one of the lower results on this measure.
Among 84 similarly sized, similarly resourced-need Maine schools statewide, it ranks #72, in the lower tier once campus size and economic need are matched.
Its student body is predominantly White (88% of enrollment) (diversity index 22/100).
Chronic absenteeism is elevated: 43.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 18.5% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Calais's public schools, it stands alongside Calais Middle/High School (289 students): Calais Elementary School is smaller than that campus by headcount and runs leaner classes (9.6:1 vs 11.1:1).
Its district, Calais Public Schools, also runs Calais Middle/High School (289 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
Calais 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 | 9.6:1 | ▼ 14% | 11.1:1 | 15.7:1 |
| Free-lunch eligible | 53.5% | ▲ 57% | 34.0% | 51.7% |
| Enrollment | 250 | 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 88.0% of enrollment.
Simpson diversity index - at 22.2, Calais Elementary School is about as mixed as the Maine school average of 20.6.
District-wide per-pupil expenditure for Calais Public Schools, which includes Calais 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 |
|---|---|---|---|
| Calais Middle/High School | Similar size | Lower economic need | Higher S:T ratio |
Comparisons are relative to Calais Elementary School'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 Calais 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.
Calais Elementary School has 250 students enrolled. It is a public school in Calais, ME.
The student-teacher ratio at Calais Elementary School is 9.6:1, which is 14% lower than the Maine average of 11.1:1 and 39% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
53.5% of students at Calais Elementary School are eligible for free lunch, compared to the Maine average of 34.0%.
The largest demographic group at Calais Elementary School is White at 88.0% of enrollment, in Calais, ME.
Calais Elementary School has a Resource Investment Index of 31/100 (lower 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).
Calais Elementary School earns 31/100 on the Resource Investment Index, even as it posts class sizes smaller than 75% 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 Calais Elementary School, Calais Public Schools also operates Calais Middle/High School (289 students). See the Calais Public Schools 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, “Calais Elementary School, Calais 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/calais-elementary-school-me
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