Enrollment
381
Massachusetts · 2024-25 NCES data
High school (grades 9-12) · Cohasset, MA
Cohasset High School
Federal NCES profile for Cohasset High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 61/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 250378000518
👥 S:T ratio 60
📚 AP courses 80
🌟 Gifted program 30
🎓 Counselors 78
📋 Attendance 59
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Cohasset High School earns 61/100 on the Resource Investment Index, with class sizes smaller than 80% of Massachusetts schools. It is also less racially and ethnically mixed than most Massachusetts schools.
- #2 of 4
- public schools in Cohasset · Resource Index
- 61
- Resource Index · Higher
- 10:1
- small classes for Massachusetts
- 381
- students enrolled
Cohasset High School has class sizes smaller than 80% of Massachusetts schools. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Cohasset High School ranks #2 of 4 public schools in Cohasset, MA.
School address
District: Cohasset · Massachusetts
NCES ID 250378000518 Verify on NCES CCD record →
Teachers (FTE)
38.0
Federal CCD staff survey
Students per teacher
10:1
vs 12.3:1 Massachusetts avg
-19% vs state
Student-teacher ratio in context
How Cohasset High School compares with Massachusetts and U.S. medians
What stands out at Cohasset High School
Cohasset High School is a mid-sized high school in Cohasset, Massachusetts, enrolling 381 students.
Class sizes run a bit leaner than typical: 10:1 puts it in the smaller third of Massachusetts schools by student-teacher ratio.
With 381 students, its enrollment sits close to the Massachusetts median campus size.
Its Resource Investment Index outscores 95% of the 1,831 Massachusetts schools with a score on record, a top-tier result on this measure.
Its student body is predominantly White (91% of enrollment), among the less diverse in the state (diversity index 16/100).
On the academic-pipeline side it reports 16 Advanced Placement courses.
Counselor coverage is strong, about 109 students per counselor, inside the American School Counselor Association's recommended 250:1.
16.5% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Cohasset also operates Joseph Osgood (369 students) and Deer Hill (347 students) alongside Cohasset High School.
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 Cohasset High School compares
Cohasset High School on the metrics families compare, against Massachusetts and U.S. means.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10:1 | ▼ 19% | 12.3:1 | 15.7:1 |
| Enrollment | 381 | top 56% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10:1
Leaner classes than 89% of US schools, among the more generously staffed nationally.
381
Bigger than 44% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
10:1
students per teacher
- 19% below state mean
Top 20% in Massachusetts - lower ratio than 80% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
16.5%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$22,164
per pupil, district-wide
- below 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
Counselors3.5 FTE
Per 109 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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 91.3%
African American 3.1%
Two or More 2.6%
Asian 1.8%
Hispanic or Latino 1.0%
Largest group: White at 91.3% of enrollment.
Student-body diversity index 16.4/100
Simpson diversity index - at 16.4, Cohasset High School is less mixed than the Massachusetts school average of 47.3.
Programs
AP courses offered 16
Funding & spending
District-wide per-pupil expenditure for Cohasset, which includes Cohasset High School.
$22,164
Per student
-1%
vs Massachusetts
Avg $22,458
+34%
vs U.S.
Avg $16,593
Revenue mix
Local 72.8%
State 22.2%
Federal 5.0%
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 Cohasset High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Joseph Osgood | Similar size | No free-lunch data | Higher S:T ratio |
| Deer Hill | Similar size | No free-lunch data | Higher S:T ratio |
| Cohasset Middle School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Cohasset High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 369
- Students per teacher
- 13.7:1
- Resource Index
- 50/100
- Enrollment
- 347
- Students per teacher
- 13.3:1
- Resource Index
- 53/100
- Enrollment
- 300
- Students per teacher
- 10.3:1
- Resource Index
- 59/100
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 (~381 students)
Similar student-teacher ratio (~10:1)
Next steps
Verify locally before acting on Cohasset High School's federal record.
- Compare Cohasset High School against another school. Compare schools
- Cohasset'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 Cohasset High School
How many students attend Cohasset High School?
Cohasset High School has 381 students enrolled. It is a high school in Cohasset, MA.
What is the student-teacher ratio at Cohasset High School?
The student-teacher ratio at Cohasset High School is 10:1, which is 19% lower than the Massachusetts average of 12.3:1 and 36% 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 Cohasset High School?
The largest demographic group at Cohasset High School is White at 91.3% of enrollment, in Cohasset, MA.
What is the Resource Investment Index for Cohasset High School?
Cohasset High School has a Resource Investment Index of 61/100 (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 Cohasset High School rank among public schools in Cohasset?
By Resource Investment Index, Cohasset High School ranks #2 of 4 public schools in Cohasset, 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 Cohasset on the city page.
Is Cohasset High School a good school?
Cohasset High School earns 61/100 on the Resource Investment Index, with class sizes smaller than 80% of Massachusetts schools. It is also less racially and ethnically mixed than most 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 Cohasset?
Besides Cohasset High School, Cohasset also operates Joseph Osgood (369 students), Deer Hill (347 students), and Cohasset Middle School (300 students). See the Cohasset 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.