Enrollment
730
Maine · 2024-25 NCES data
Other / mixed grade configuration · Cumberland, ME
Mabel I Wilson School
Federal NCES profile for Mabel I Wilson School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
2024-25 NCES dataOther / mixed grade configurationNCES 231424000681
👥 S:T ratio 51
🌟 Gifted program 70
🎓 Counselors 3
📋 Attendance 71
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mabel I Wilson School earns 49/100 on the Resource Investment Index, with class sizes larger than 74% of Maine schools. It is also one of the largest schools in Maine.
- #4 of 4
- public schools in Cumberland · Resource Index
- 49
- Resource Index · Higher
- 12.2:1
- large classes for Maine
- 3.7%
- free-lunch eligible
Mabel I Wilson School has class sizes larger than 74% of Maine schools. Computed live against every Maine school reporting to NCES.
By Resource Investment Index, Mabel I Wilson School ranks #4 of 4 public schools in Cumberland, ME.
School address
District: Rsu 51/Msad 51 · Maine
NCES ID 231424000681 Verify on NCES CCD record →
Teachers (FTE)
60.0
Federal CCD staff survey
Students per teacher
12.2:1
vs 11.1:1 Maine avg
+10% vs state
Free-lunch eligible
3.7%
vs 34.0% Maine avg
-89% vs state
Student-teacher ratio in context
How Mabel I Wilson School compares with Maine and U.S. medians
What stands out at Mabel I Wilson School
Mabel I Wilson School is a lower-poverty, large combined-grade school in Cumberland, Maine, enrolling 730 students.
Class loads run somewhat heavier than typical: 12.2:1 puts it in the larger third of Maine schools by student-teacher ratio.
Comparatively few students face economic hardship here, 3.7% free-meal eligibility runs 89% below the Maine average.
By headcount it is one of the larger campuses in Maine, bigger than 96% of state schools at 730 students.
Its Resource Investment Index sits near the middle of the pack among 569 scored Maine schools.
Among 33 similarly sized, similarly resourced-need Maine schools statewide, it ranks #25, in the lower tier once campus size and economic need are matched.
Its student body is predominantly White (91% of enrollment) (diversity index 17/100).
Counselor access is stretched at roughly 487 students per counselor, well above the ASCA-recommended 250:1 ceiling.
11.5% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Rsu 51/Msad 51 also operates Greely High School (615 students) and Greely Middle School (515 students) alongside Mabel I Wilson 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
How Mabel I Wilson School compares
Mabel I Wilson 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 | 12.2:1 | ▲ 10% | 11.1:1 | 15.7:1 |
| Free-lunch eligible | 3.7% | ▼ 89% | 34.0% | 51.7% |
| Enrollment | 730 | top 4% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.2:1
Leaner classes than 74% of US schools, among the more generously staffed nationally.
730
Bigger than 82% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
3.7%
free-lunch eligible
- 89% below the Maine average of 34.0%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
12.2:1
students per teacher
- 10% above state mean
Top 74% in Maine - lower ratio than 26% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
11.5%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$19,859
per pupil, district-wide
- below Maine avg of $20,083
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors1.5 FTE
Per 487 students, the combined health-and-guidance staffing load for this school.
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 91.2%
Two or More 4.2%
Hispanic or Latino 2.7%
Asian 1.2%
African American 0.4%
American Indian / Alaska Native 0.1%
Largest group: White at 91.2% of enrollment.
Student-body diversity index 16.6/100
Simpson diversity index - at 16.6, Mabel I Wilson School is less mixed than the Maine school average of 20.6.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Rsu 51/Msad 51, which includes Mabel I Wilson School.
$19,859
Per student
-1%
vs Maine
Avg $20,083
+20%
vs U.S.
Avg $16,593
Revenue mix
Local 62.3%
State 34.5%
Federal 3.3%
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.
How Mabel I Wilson School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Greely High School | Similar size | Similar economic need | Lower S:T ratio |
| Greely Middle School | Smaller | Similar economic need | Lower S:T ratio |
| Greely Middle School 4-5 | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Mabel I Wilson School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 615
- Students per teacher
- 9.6:1
- Resource Index
- 64/100
- Enrollment
- 515
- Students per teacher
- 10.1:1
- Resource Index
- 58/100
- Enrollment
- 375
- Students per teacher
- 13.9:1
- Resource Index
- 54/100
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 (~730 students)
Next steps
Verify locally before acting on Mabel I Wilson School's federal record.
- Compare Mabel I Wilson School against another school. Compare schools
- Rsu 51/Msad 51'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 Mabel I Wilson School
How many students attend Mabel I Wilson School?
Mabel I Wilson School has 730 students enrolled. It is a public school in Cumberland, ME.
What is the student-teacher ratio at Mabel I Wilson School?
The student-teacher ratio at Mabel I Wilson School is 12.2:1, which is 10% higher than the Maine average of 11.1:1 and 22% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Mabel I Wilson School?
3.7% of students at Mabel I Wilson School are eligible for free lunch, compared to the Maine average of 34.0%.
What is the racial and ethnic makeup of Mabel I Wilson School?
The largest demographic group at Mabel I Wilson School is White at 91.2% of enrollment, in Cumberland, ME.
What is the Resource Investment Index for Mabel I Wilson School?
Mabel I Wilson School has a Resource Investment Index of 49/100 (higher 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).
How does Mabel I Wilson School rank among public schools in Cumberland?
By Resource Investment Index, Mabel I Wilson School ranks #4 of 4 public schools in Cumberland, ME. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Cumberland on the city page.
Is Mabel I Wilson School a good school?
Mabel I Wilson School earns 49/100 on the Resource Investment Index, with class sizes larger than 74% of Maine schools. It is also one of the largest schools in Maine. 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 Rsu 51/Msad 51?
Besides Mabel I Wilson School, Rsu 51/Msad 51 also operates Greely High School (615 students), Greely Middle School (515 students), and Greely Middle School 4-5 (375 students). See the Rsu 51/Msad 51 district page for the complete list.
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.