Enrollment
529
Massachusetts · 2024-25 NCES data
2024-25 NCES data Middle school (grades 6-8) NCES 250198002889
Gibbs School — Arlington, MA
Federal NCES profile for Gibbs School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 57/100.
👥 Class size 49
🌟 Gifted program 30
🎓 Counselors 65
📋 Attendance 83
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: Arlington · 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)
40.0
Federal CCD staff survey
Students per teacher
12.8:1
vs 12.1:1 Massachusetts avg
+6% vs state
Student-teacher ratio in context
How Gibbs School 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
Gibbs School reports 529 enrolled students to the National Center for Education Statistics (NCES) alongside 40.0 full-time-equivalent teachers, producing a 12.8:1 student-teacher ratio. That figure sits 6% 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 19% lower, a useful calibration for families comparing districts across state lines.
Counselor coverage works out to roughly 176 students per counselor, meeting the American School Counselor Association recommendation of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 7.0% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Arlington spends $36,380 per pupil district-wide, above the Massachusetts average of $28,509 and above the national average of $19,490. Revenue comes 62.2% from local sources (property taxes), 32.9% from the state, and 4.9% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 57/100 (C), calculated from 4 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 Gibbs School 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 | 12.8:1 | ▲ 6% | 12.1:1 | 15.9:1 |
| Enrollment | 529 | top 67% | — | — |
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
12.8:1
students per teacher
— 6% above state mean
Top 67% in Massachusetts — lower ratio than 33% of state schools
Below the 15:1 benchmark — typical of schools with smaller class sizes and more individualized attention.
Engagement
7.0%
chronically absent (missed 10%+ of school days)
Below 10% — strong attendance relative to the post-pandemic national landscape.
Funding equity
$36,380
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
Counselors3.0 FTE
Per 176 students — the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 5 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.9 per 100 students. Reported via the Civil Rights Data Collection.
Overview
Enrollment 529 Top 67% in Massachusetts — larger than 33% of 1,831 state schools
Teachers (FTE) 40.0
Students per teacher 12.8:1 +6% vs state
Free-lunch eligible —
NCES ID 250198002889
Student demographics
White 67.3%
Asian 10.6%
Two or More 10.5%
Hispanic or Latino 7.0%
African American 4.6%
Largest group: White at 67.3% of enrollment.
Programs & staff
Counselors (FTE) 3.0
Students per counselor 176:1
Discipline & special education
Chronically absent 7.0%
In-school suspensions 0
Out-of-school suspensions 5
Funding & spending
District-wide per-pupil expenditure for Arlington, which includes Gibbs School.
$36,380
Per student
+28%
vs Massachusetts
Avg $28,509
+87%
vs U.S.
Avg $19,490
Revenue mix
Local 62.2%
State 32.9%
Federal 4.9%
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
- 1,677
- Students per teacher
- 13.3:1
- Enrollment
- 963
- Students per teacher
- 11.2:1
- Enrollment
- 537
- Students per teacher
- 12.9:1
- Enrollment
- 448
- Students per teacher
- 12.1:1
- Enrollment
- 394
- Students per teacher
- 12.9:1
Similar middle schools in Arlington
1 comparable middle schools (grades 6-8) serving the same city.
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 Gibbs School
How many students attend Gibbs School?
Gibbs School has 529 students enrolled. It is a middle school in Arlington, MA.
What is the student-teacher ratio at Gibbs School?
The student-teacher ratio at Gibbs School is 12.8:1, which is 6% higher than the Massachusetts average of 12.1:1 and 19% lower than the national average of 15.9:1.
What is the racial and ethnic makeup of Gibbs School?
The largest demographic group at Gibbs School is White at 67.3%. The school serves a diverse student body in Arlington, MA.
What is the Resource Investment Index for Gibbs School?
Gibbs School has a Resource Investment Index of 57/100 (C) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.