Enrollment
356
Connecticut · 2024-25 NCES data
High school (grades 9-12) · Durham, CT
Coginchaug Regional High School
Federal NCES profile for Coginchaug Regional 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 090353500737
👥 S:T ratio 64
📚 AP courses 50
🌟 Gifted program 70
🎓 Counselors 76
📋 Attendance 43
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Coginchaug Regional High School earns 61/100 on the Resource Investment Index, with class sizes smaller than 90% of Connecticut schools.
- #1 of 3
- public schools in Durham · Resource Index
- 61
- Resource Index · Higher
- 8.9:1
- small classes for Connecticut
- 13.5%
- free-lunch eligible
Coginchaug Regional High School has class sizes smaller than 90% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Coginchaug Regional High School ranks #1 of 3 public schools in Durham, CT.
School address
District: Regional School District 13 · Connecticut
NCES ID 090353500737 Verify on NCES CCD record →
Teachers (FTE)
40.0
Federal CCD staff survey
Students per teacher
8.9:1
vs 12.1:1 Connecticut avg
-26% vs state
Free-lunch eligible
13.5%
vs 36.4% Connecticut avg
-63% vs state
Student-teacher ratio in context
How Coginchaug Regional High School compares with Connecticut and U.S. medians
What stands out at Coginchaug Regional High School
Coginchaug Regional High School is a lower-poverty, mid-sized high school in Durham, Connecticut, enrolling 356 students.
Classes run notably small here: at 8.9:1, Coginchaug Regional High School is leaner than roughly 90% of Connecticut schools and 26% under the state's 12.1:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat below the state's typical profile, with 13.5% of students eligible for free meals.
With 356 students, its enrollment sits close to the Connecticut median campus size.
Its Resource Investment Index lands in the upper third of 1,003 scored Connecticut schools.
Against 276 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #63.
Its student body is predominantly White (84% of enrollment) (diversity index 29/100).
On the academic-pipeline side it reports 10 Advanced Placement courses.
Counselor coverage is strong, about 119 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 22.8% of students chronically absent per the 2021-22 civil-rights collection.
The surrounding Regional School District 13 spends $30,638 per pupil, 28% above the Connecticut average, a better-resourced district than most.
Regional School District 13 also operates Frank Ward Strong School (319 students) and Frederick Brewster School (214 students) alongside Coginchaug Regional 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 Coginchaug Regional High School compares
Coginchaug Regional High School on the metrics families compare, against Connecticut and U.S. means.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 8.9:1 | ▼ 26% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 13.5% | ▼ 63% | 36.4% | 51.7% |
| Enrollment | 356 | top 62% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
8.9:1
Leaner classes than 93% of US schools, among the more generously staffed nationally.
356
Bigger than 41% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
13.5%
free-lunch eligible
- 63% below the Connecticut average of 36.4%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
8.9:1
students per teacher
- 26% below state mean
Top 10% in Connecticut - lower ratio than 90% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
22.8%
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
$30,638
per pupil, district-wide
- above Connecticut avg of $23,870
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors3.0 FTE
Per 119 students, the combined health-and-guidance staffing load for this school.
Discipline context
21
in-school suspensions + 12 out-of-school
Suspension rate: 5.9 per 100 students. Combined in-school and out-of-school rate: 9.3 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 83.7%
Hispanic or Latino 10.4%
Two or More 2.8%
Asian 2.0%
African American 1.1%
Largest group: White at 83.7% of enrollment.
Student-body diversity index 28.7/100
Simpson diversity index - at 28.7, Coginchaug Regional High School is less mixed than the Connecticut school average of 50.5.
Programs
AP courses offered 10
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Regional School District 13, which includes Coginchaug Regional High School.
$30,638
Per student
+28%
vs Connecticut
Avg $23,870
+85%
vs U.S.
Avg $16,593
Revenue mix
Local 71.3%
State 25.1%
Federal 3.5%
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.
How Coginchaug Regional High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Frank Ward Strong School | Similar size | Similar economic need | Higher S:T ratio |
| Frederick Brewster School | Smaller | Similar economic need | Similar S:T ratio |
| John Lyman School | Smaller | Similar economic need | Higher S:T ratio |
| Middlefield Memorial School | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Coginchaug Regional High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 319
- Students per teacher
- 10.6:1
- Resource Index
- 49/100
- Enrollment
- 214
- Students per teacher
- 9.3:1
- Resource Index
- 51/100
- Enrollment
- 207
- Students per teacher
- 10.9:1
- Resource Index
- 60/100
- Enrollment
- 206
- Students per teacher
- 9.4:1
- Resource Index
- 65/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Connecticut, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~356 students)
Next steps
Verify locally before acting on Coginchaug Regional High School's federal record.
- Compare Coginchaug Regional High School against another school. Compare schools
- Regional School District 13'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 Coginchaug Regional High School
How many students attend Coginchaug Regional High School?
Coginchaug Regional High School has 356 students enrolled. It is a high school in Durham, CT.
What is the student-teacher ratio at Coginchaug Regional High School?
The student-teacher ratio at Coginchaug Regional High School is 8.9:1, which is 26% lower than the Connecticut average of 12.1:1 and 43% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Coginchaug Regional High School?
13.5% of students at Coginchaug Regional High School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Coginchaug Regional High School?
The largest demographic group at Coginchaug Regional High School is White at 83.7% of enrollment, in Durham, CT.
What is the Resource Investment Index for Coginchaug Regional High School?
Coginchaug Regional 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 Coginchaug Regional High School rank among public schools in Durham?
By Resource Investment Index, Coginchaug Regional High School ranks #1 of 3 public schools in Durham, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Durham on the city page.
Is Coginchaug Regional High School a good school?
Coginchaug Regional High School earns 61/100 on the Resource Investment Index, with class sizes smaller than 90% of Connecticut 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 Regional School District 13?
Besides Coginchaug Regional High School, Regional School District 13 also operates Frank Ward Strong School (319 students), Frederick Brewster School (214 students), and John Lyman School (207 students). See the Regional School District 13 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.