Enrollment
1,262
Massachusetts · 2024-25 NCES data
2024-25 NCES data High school (grades 9-12) NCES 251227002030
Wellesley Sr High — Wellesley, MA
Federal NCES profile for Wellesley Sr High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 64/100.
👥 Class size 51
📚 AP courses 100
🌟 Gifted program 30
🎓 Counselors 78
📋 Attendance 61
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
School address
District: Wellesley · Massachusetts
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
116.0
Federal CCD staff survey
Students per teacher
12.2:1
vs 12.1:1 Massachusetts avg
+1% vs state
Student-teacher ratio in context
How Wellesley Sr High compares with Massachusetts and U.S. medians
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Wellesley Sr High reports 1,262 enrolled students to the National Center for Education Statistics (NCES) alongside 116.0 full-time-equivalent teachers, producing a 12.2:1 student-teacher ratio. That figure sits 1% above the Massachusetts state mean of 12.1:1, signalling larger average class loads than peers in the same state. Against the national 2024-25 average of 15.9:1, it is 23% lower, a useful calibration for families comparing districts across state lines.
The school offers 21 Advanced Placement courses, a stronger academic pipeline indicator than enrollment alone. Counselor coverage works out to roughly 108 students per counselor, meeting the American School Counselor Association recommendation of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 15.8% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Wellesley spends $31,921 per pupil district-wide, above the Massachusetts average of $28,509 and above the national average of $19,490. Revenue comes 76.2% from local sources (property taxes), 21.3% from the state, and 2.5% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 64/100 (C+), calculated from 5 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Wellesley Sr High compares
Cross-validating school-level NCES values against Massachusetts state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.2:1 | ▲ 1% | 12.1:1 | 15.9:1 |
| Enrollment | 1,262 | top 96% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
Staffing depth
12.2:1
students per teacher
— 1% above state mean
Top 56% in Massachusetts — lower ratio than 44% of state schools
Below the 15:1 benchmark — typical of schools with smaller class sizes and more individualized attention.
Engagement
15.8%
chronically absent (missed 10%+ of school days)
Between 10–20% — above the pre-pandemic baseline of ~15% nationally but within the current U.S. range.
Funding equity
$31,921
per pupil, district-wide
— above Massachusetts avg of $28,509
Above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors11.7 FTE
Per 108 students — the combined health-and-guidance staffing load for this school.
Discipline context
10
in-school suspensions + 14 out-of-school
Suspension rate: 0.8 per 100 students. Combined in-school and out-of-school rate: 1.9 per 100 students. Reported via the Civil Rights Data Collection.
Overview
Enrollment 1,262 Top 96% in Massachusetts — larger than 4% of 1,831 state schools
Teachers (FTE) 116.0
Students per teacher 12.2:1 +1% vs state
Free-lunch eligible —
NCES ID 251227002030
Student demographics
White 63.1%
Asian 18.7%
Two or More 7.2%
Hispanic or Latino 6.3%
African American 4.7%
Largest group: White at 63.1% of enrollment.
Programs & staff
AP courses offered 21
Counselors (FTE) 11.7
Students per counselor 108:1
Discipline & special education
Chronically absent 15.8%
In-school suspensions 10
Out-of-school suspensions 14
Funding & spending
District-wide per-pupil expenditure for Wellesley, which includes Wellesley Sr High.
$31,921
Per student
+12%
vs Massachusetts
Avg $28,509
+64%
vs U.S.
Avg $19,490
Revenue mix
Local 76.2%
State 21.3%
Federal 2.5%
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.
Other Schools in This District
- Enrollment
- 919
- Students per teacher
- 8.9:1
- Enrollment
- 294
- Students per teacher
- 12.4:1
- Enrollment
- 291
- Students per teacher
- 11.9:1
- Enrollment
- 289
- Students per teacher
- 12:1
- Enrollment
- 286
- Students per teacher
- 15.9:1
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
Frequently asked questions about Wellesley Sr High
How many students attend Wellesley Sr High?
Wellesley Sr High has 1,262 students enrolled. It is a high school in Wellesley, MA.
What is the student-teacher ratio at Wellesley Sr High?
The student-teacher ratio at Wellesley Sr High is 12.2:1, which is 1% higher than the Massachusetts average of 12.1:1 and 23% lower than the national average of 15.9:1.
What is the racial and ethnic makeup of Wellesley Sr High?
The largest demographic group at Wellesley Sr High is White at 63.1%. The school serves a diverse student body in Wellesley, MA.
What is the Resource Investment Index for Wellesley Sr High?
Wellesley Sr High has a Resource Investment Index of 64/100 (C+) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.