Enrollment
1,509
Massachusetts · 2024-25 NCES data
Other / mixed grade configuration · Roxbury, MA
O'bryant School of Math & Science
Federal NCES profile for O'bryant School of Math & Science, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 27/100.
2024-25 NCES dataOther / mixed grade configurationNCES 250279000205
👥 S:T ratio 41
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 39
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
O'bryant School of Math & Science earns 27/100 on the Resource Investment Index, with class sizes larger than 86% of Massachusetts schools. It is also one of the largest schools in Massachusetts.
- #9 of 12
- schools in Roxbury · Resource Index
- 27
- Resource Index · Lower
- 14.8:1
- large classes for Massachusetts
- 1,509
- students enrolled
O'bryant School of Math & Science has class sizes larger than 86% of Massachusetts schools. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, O'bryant School of Math & Science ranks #9 of 12 schools in Roxbury, MA.
School address
Teachers (FTE)
102.0
Federal CCD staff survey
Students per teacher
14.8:1
vs 12.3:1 Massachusetts avg
+20% vs state
Student-teacher ratio in context
How O'bryant School of Math & Science compares with Massachusetts and U.S. medians
What stands out at O'bryant School of Math & Science
O'bryant School of Math & Science is a large combined-grade school in Roxbury, Massachusetts, enrolling 1,509 students.
Class loads run heavy: 14.8:1 is larger than about 86% of Massachusetts schools and 20% above the 12.3:1 state mean, so each teacher carries more students than is typical.
By headcount it is one of the larger campuses in Massachusetts, bigger than 97% of state schools at 1,509 students.
Its Resource Investment Index trails 96% of the 1,831 Massachusetts schools with a score on record, one of the lower results on this measure.
Its student body is led by Hispanic or Latino (37%) and African American (30%), more mixed than most schools in the state (diversity index 73/100).
Counselor access is stretched at roughly 503 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance runs somewhat below the norm, with 24.4% of students chronically absent per the 2021-22 civil-rights collection.
The surrounding Boston spends $34,835 per pupil, 55% above the Massachusetts average, a better-resourced district than most.
Among Roxbury's public schools, it stands alongside Roxbury Preparatory Charter School (1,126 students): O'bryant School of Math & Science is larger than that campus by headcount and runs heavier classes (14.8:1 vs 10:1).
Boston also operates Boston Latin School (2,424 students) and Boston Latin Academy (1,693 students) alongside O'bryant School of Math & Science.
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 O'bryant School of Math & Science compares
O'bryant School of Math & Science on the metrics families compare, against Massachusetts and U.S. means.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.8:1 | ▲ 20% | 12.3:1 | 15.7:1 |
| Enrollment | 1,509 | top 3% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.8:1
Leaner classes than 49% of US schools, a middle-of-the-pack class size.
1,509
Bigger than 96% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
14.8:1
students per teacher
- 20% above state mean
Top 86% in Massachusetts - lower ratio than 14% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
24.4%
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
$34,835
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
Counselors3.0 FTE
Per 503 students, the combined health-and-guidance staffing load for this school.
Discipline context
3
in-school suspensions + 23 out-of-school
Suspension rate: 0.2 per 100 students. Combined in-school and out-of-school rate: 1.7 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
Hispanic or Latino 37.1%
African American 30.0%
Asian 17.0%
White 12.5%
Two or More 3.0%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.2%
Largest group: Hispanic or Latino at 37.1% of enrollment.
Student-body diversity index 72.7/100
Simpson diversity index - at 72.7, O'bryant School of Math & Science is more mixed than the Massachusetts school average of 47.3.
Programs
AP courses offered 21
Funding & spending
District-wide per-pupil expenditure for Boston, which includes O'bryant School of Math & Science.
$34,835
Per student
+55%
vs Massachusetts
Avg $22,458
+110%
vs U.S.
Avg $16,593
Revenue mix
Local 62.0%
State 25.9%
Federal 12.1%
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 O'bryant School of Math & Science Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Boston Latin School | Larger | No free-lunch data | Higher S:T ratio |
| Boston Latin Academy | Similar size | No free-lunch data | Higher S:T ratio |
| East Boston High School | Similar size | No free-lunch data | Lower S:T ratio |
| Madison Park Technical Vocational High School | Smaller | No free-lunch data | Lower S:T ratio |
| Curley K-8 School | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to O'bryant School of Math & Science's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,424
- Students per teacher
- 19.5:1
- Resource Index
- 39/100
- Enrollment
- 1,693
- Students per teacher
- 18.6:1
- Resource Index
- 32/100
- Enrollment
- 1,252
- Students per teacher
- 13:1
- Resource Index
- 34/100
- Enrollment
- 1,121
- Students per teacher
- 9.6:1
- Resource Index
- 29/100
- Enrollment
- 902
- Students per teacher
- 9.5:1
- Resource Index
- 36/100
Similar other schools in Roxbury
6 comparable other schools (grades Mixed) serving the same city.
Roxbury Preparatory Charter School
Standard public school
1,126 students 10:1 students per teacher
Orchard Gardens K-8 School
Standard public school
689 students 9.8:1 students per teacher
Dearborn 6-12 Stem Academy
Standard public school
565 students 12.3:1 students per teacher
Ellis Elementary School
Standard public school
391 students 11.2:1 students per teacher
Hernandez K-8 School
Standard public school
372 students 13.8:1 students per teacher
Tobin K-8 School
Standard public school
364 students 10.4:1 students per teacher
Similar other 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 (~1,509 students)
Similar student-teacher ratio (~14.8:1)
Next steps
Verify locally before acting on O'bryant School of Math & Science's federal record.
- Compare O'bryant School of Math & Science against another school. Compare schools
- Boston'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 O'bryant School of Math & Science
How many students attend O'bryant School of Math & Science?
O'bryant School of Math & Science has 1,509 students enrolled. It is a public school in Roxbury, MA.
What is the student-teacher ratio at O'bryant School of Math & Science?
The student-teacher ratio at O'bryant School of Math & Science is 14.8:1, which is 20% higher than the Massachusetts average of 12.3:1 and 6% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of O'bryant School of Math & Science?
The largest demographic group at O'bryant School of Math & Science is Hispanic or Latino at 37.1% of enrollment, in Roxbury, MA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 72.7/100.
What is the Resource Investment Index for O'bryant School of Math & Science?
O'bryant School of Math & Science has a Resource Investment Index of 27/100 (lower reported resources relative to schools nationally) based on 4 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 O'bryant School of Math & Science rank among schools in Roxbury?
By Resource Investment Index, O'bryant School of Math & Science ranks #9 of 12 schools in Roxbury, MA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Roxbury on the city page.
Is O'bryant School of Math & Science a good school?
O'bryant School of Math & Science earns 27/100 on the Resource Investment Index, with class sizes larger than 86% of Massachusetts schools. It is also one of the largest schools in Massachusetts. 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 Boston?
Besides O'bryant School of Math & Science, Boston also operates Boston Latin School (2,424 students), Boston Latin Academy (1,693 students), and East Boston High School (1,252 students). See the Boston 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.