Enrollment
619
Massachusetts · 2024-25 NCES data
High school (grades 9-12) · Wilmington, MA
Wilmington High
Federal NCES profile for Wilmington High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 66/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 251305002158
👥 S:T ratio 65
📚 AP courses 100
🌟 Gifted program 30
🎓 Counselors 75
📋 Attendance 62
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Wilmington High earns 66/100 on the Resource Investment Index, with class sizes smaller than 91% of Massachusetts schools.
- #1 of 7
- public schools in Wilmington · Resource Index
- 66
- Resource Index · Higher
- 8.8:1
- small classes for Massachusetts
- 619
- students enrolled
Wilmington High has class sizes smaller than 91% of Massachusetts schools. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Wilmington High ranks #1 of 7 public schools in Wilmington, MA.
School address
District: Wilmington · Massachusetts
NCES ID 251305002158 Verify on NCES CCD record →
Teachers (FTE)
70.0
Federal CCD staff survey
Students per teacher
8.8:1
vs 12.3:1 Massachusetts avg
-28% vs state
Student-teacher ratio in context
How Wilmington High compares with Massachusetts and U.S. medians
What stands out at Wilmington High
Wilmington High is a mid-sized high school in Wilmington, Massachusetts, enrolling 619 students.
Classes run notably small here: at 8.8:1, Wilmington High is leaner than roughly 91% of Massachusetts schools and 28% under the state's 12.3:1 norm, more adult attention per pupil than most peers.
Enrollment of 619 puts it in the larger third of Massachusetts schools by headcount.
Its Resource Investment Index outscores 96% of the 1,831 Massachusetts schools with a score on record, a top-tier result on this measure.
Its student body is led by White (79%) and Asian (9%) (diversity index 36/100).
On the academic-pipeline side it reports 20 Advanced Placement courses.
Counselor coverage is strong, about 124 students per counselor, inside the American School Counselor Association's recommended 250:1.
15.2% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Wilmington also operates Wilmington Middle School (782 students) and Woburn Street (368 students) alongside Wilmington High.
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 Wilmington High compares
Wilmington High on the metrics families compare, against Massachusetts and U.S. means.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 8.8:1 | ▼ 28% | 12.3:1 | 15.7:1 |
| Enrollment | 619 | top 23% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
8.8:1
Leaner classes than 93% of US schools, among the more generously staffed nationally.
619
Bigger than 74% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
8.8:1
students per teacher
- 28% below state mean
Top 9% in Massachusetts - lower ratio than 91% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
15.2%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$23,684
per pupil, district-wide
- above Massachusetts avg of $22,458
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors5.0 FTE
Per 124 students, the combined health-and-guidance staffing load for this school.
Discipline context
17
in-school suspensions + 18 out-of-school
Suspension rate: 2.7 per 100 students. Combined in-school and out-of-school rate: 5.7 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 79.3%
Asian 8.6%
Hispanic or Latino 7.1%
Two or More 3.4%
African American 1.6%
Largest group: White at 79.3% of enrollment.
Student-body diversity index 35.7/100
Simpson diversity index - at 35.7, Wilmington High is less mixed than the Massachusetts school average of 47.3.
Programs
AP courses offered 20
Funding & spending
District-wide per-pupil expenditure for Wilmington, which includes Wilmington High.
$23,684
Per student
+5%
vs Massachusetts
Avg $22,458
+43%
vs U.S.
Avg $16,593
Revenue mix
Local 64.1%
State 29.7%
Federal 6.2%
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 Wilmington High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Wilmington Middle School | Larger | No free-lunch data | Higher S:T ratio |
| Woburn Street | Smaller | No free-lunch data | Similar S:T ratio |
| West Intermediate | Smaller | No free-lunch data | Higher S:T ratio |
| Shawsheen Elementary | Smaller | No free-lunch data | Similar S:T ratio |
| North Intermediate | Smaller | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Wilmington High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 782
- Students per teacher
- 10.6:1
- Resource Index
- 50/100
- Enrollment
- 368
- Students per teacher
- 10.2:1
- Resource Index
- 38/100
- Enrollment
- 309
- Students per teacher
- 11.9:1
- Resource Index
- 44/100
- Enrollment
- 304
- Students per teacher
- 8.9:1
- Resource Index
- 52/100
- Enrollment
- 246
- Students per teacher
- 12.9:1
- Resource Index
- 47/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Massachusetts, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~619 students)
Next steps
Verify locally before acting on Wilmington High's federal record.
- Compare Wilmington High against another school. Compare schools
- Wilmington'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 Wilmington High
How many students attend Wilmington High?
Wilmington High has 619 students enrolled. It is a high school in Wilmington, MA.
What is the student-teacher ratio at Wilmington High?
The student-teacher ratio at Wilmington High is 8.8:1, which is 28% lower than the Massachusetts average of 12.3:1 and 44% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Wilmington High?
The largest demographic group at Wilmington High is White at 79.3% of enrollment, in Wilmington, MA.
What is the Resource Investment Index for Wilmington High?
Wilmington High has a Resource Investment Index of 66/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Wilmington High rank among public schools in Wilmington?
By Resource Investment Index, Wilmington High ranks #1 of 7 public schools in Wilmington, MA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Wilmington on the city page.
Is Wilmington High a good school?
Wilmington High earns 66/100 on the Resource Investment Index, with class sizes smaller than 91% of Massachusetts 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 Wilmington?
Besides Wilmington High, Wilmington also operates Wilmington Middle School (782 students), Woburn Street (368 students), and West Intermediate (309 students). See the Wilmington 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.