Enrollment
394
Massachusetts · 2024-25 NCES data
Middle school (grades 6-8) · Whitinsville, MA
Northbridge Middle
Federal NCES profile for Northbridge Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 31/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 250894002591
👥 S:T ratio 58
🌟 Gifted program 30
📋 Attendance 3
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Northbridge Middle earns 31/100 on the Resource Investment Index, even as it posts class sizes smaller than 75% of Massachusetts schools.
- #3 of 3
- public schools in Whitinsville · Resource Index
- 31
- Resource Index · Lower
- 10.4:1
- small classes for Massachusetts
- 394
- students enrolled
Northbridge Middle has class sizes smaller than 75% of Massachusetts schools. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Northbridge Middle ranks #3 of 3 public schools in Whitinsville, MA.
School address
District: Northbridge · Massachusetts
NCES ID 250894002591 Verify on NCES CCD record →
Teachers (FTE)
38.0
Federal CCD staff survey
Students per teacher
10.4:1
vs 12.3:1 Massachusetts avg
-15% vs state
Student-teacher ratio in context
How Northbridge Middle compares with Massachusetts and U.S. medians
What stands out at Northbridge Middle
Northbridge Middle is a mid-sized middle school in Whitinsville, Massachusetts, enrolling 394 students.
Class sizes run a bit leaner than typical: 10.4:1 puts it in the smaller third of Massachusetts schools by student-teacher ratio.
With 394 students, its enrollment sits close to the Massachusetts median campus size.
Its Resource Investment Index trails 91% of the 1,831 Massachusetts schools with a score on record, one of the lower results on this measure.
Its student body is predominantly White (83% of enrollment) (diversity index 30/100).
Chronic absenteeism is elevated: 38.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Discipline events run high: 80 in- and out-of-school suspensions were reported for 394 students in the 2021-22 Civil Rights Data Collection.
Northbridge also operates Northbridge Elementary School (973 students) and Northbridge High (471 students) alongside Northbridge Middle.
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 Northbridge Middle compares
Northbridge Middle on the metrics families compare, against Massachusetts and U.S. means.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.4:1 | ▼ 15% | 12.3:1 | 15.7:1 |
| Enrollment | 394 | top 53% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.4:1
Leaner classes than 87% of US schools, among the more generously staffed nationally.
394
Bigger than 46% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
10.4:1
students per teacher
- 15% below state mean
Top 25% in Massachusetts - lower ratio than 75% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
38.6%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$18,601
per pupil, district-wide
- below Massachusetts avg of $22,458
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
27
in-school suspensions + 53 out-of-school
Suspension rate: 6.9 per 100 students. Combined in-school and out-of-school rate: 20.3 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 83.0%
Hispanic or Latino 12.2%
Asian 1.8%
Two or More 1.5%
African American 1.3%
American Indian / Alaska Native 0.3%
Largest group: White at 83.0% of enrollment.
Student-body diversity index 29.5/100
Simpson diversity index - at 29.5, Northbridge Middle is less mixed than the Massachusetts school average of 47.3.
Programs
Funding & spending
District-wide per-pupil expenditure for Northbridge, which includes Northbridge Middle.
$18,601
Per student
-17%
vs Massachusetts
Avg $22,458
+12%
vs U.S.
Avg $16,593
Revenue mix
Local 31.6%
State 60.9%
Federal 7.6%
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 Northbridge Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Northbridge Elementary School | Larger | No free-lunch data | Higher S:T ratio |
| Northbridge High | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Northbridge Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 973
- Students per teacher
- 12.2:1
- Resource Index
- 37/100
- Enrollment
- 471
- Students per teacher
- 10.5:1
- Resource Index
- 39/100
Similar middle 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 (~394 students)
Next steps
Verify locally before acting on Northbridge Middle's federal record.
- Compare Northbridge Middle against another school. Compare schools
- Northbridge'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 Northbridge Middle
How many students attend Northbridge Middle?
Northbridge Middle has 394 students enrolled. It is a middle school in Whitinsville, MA.
What is the student-teacher ratio at Northbridge Middle?
The student-teacher ratio at Northbridge Middle is 10.4:1, which is 15% lower than the Massachusetts average of 12.3:1 and 34% 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 Northbridge Middle?
The largest demographic group at Northbridge Middle is White at 83.0% of enrollment, in Whitinsville, MA.
What is the Resource Investment Index for Northbridge Middle?
Northbridge Middle 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).
How does Northbridge Middle rank among public schools in Whitinsville?
By Resource Investment Index, Northbridge Middle ranks #3 of 3 public schools in Whitinsville, 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 Whitinsville on the city page.
Is Northbridge Middle a good school?
Northbridge Middle earns 31/100 on the Resource Investment Index, even as it posts class sizes smaller than 75% 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 Northbridge?
Besides Northbridge Middle, Northbridge also operates Northbridge Elementary School (973 students) and Northbridge High (471 students). See the Northbridge 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.