Enrollment
606
Connecticut · 2024-25 NCES data
High school (grades 9-12) · Griswold, CT
Griswold High School
Federal NCES profile for Griswold High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 090174000311
👥 S:T ratio 52
📚 AP courses 50
🌟 Gifted program 70
🎓 Counselors 50
📋 Attendance 43
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Griswold High School earns 53/100 on the Resource Investment Index, with class sizes near the Connecticut median.
- #1 of 4
- public schools in Griswold · Resource Index
- 53
- Resource Index · Higher
- 12.1:1
- students per teacher
- 38.3%
- free-lunch eligible
Griswold High School has class sizes near the Connecticut median. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Griswold High School ranks #1 of 4 public schools in Griswold, CT.
School address
District: Griswold School District · Connecticut
NCES ID 090174000311 Verify on NCES CCD record →
Teachers (FTE)
50.0
Federal CCD staff survey
Students per teacher
12.1:1
vs 12.1:1 Connecticut avg
+0% vs state
Free-lunch eligible
38.3%
vs 36.4% Connecticut avg
+5% vs state
Student-teacher ratio in context
How Griswold High School compares with Connecticut and U.S. medians
What stands out at Griswold High School
Griswold High School is a mid-sized high school in Griswold, Connecticut, enrolling 606 students.
At 12.1:1, its student-teacher ratio sits close to the Connecticut median, within a few percentage points of the 12.1:1 state norm, neither notably crowded nor notably small.
Its free-meal eligibility rate of 38.3% lands close to the Connecticut typical range, neither a high- nor low-need campus by this measure.
Enrollment of 606 puts it in the larger third of Connecticut schools by headcount.
Its Resource Investment Index lands in the upper third of 1,003 scored Connecticut schools.
Against 169 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #40.
Its student body is led by White (68%) and Hispanic or Latino (17%) (diversity index 50/100).
On the academic-pipeline side it reports 10 Advanced Placement courses.
Counselor coverage runs a bit thin, about 253 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Attendance runs somewhat below the norm, with 22.6% of students chronically absent per the 2021-22 civil-rights collection.
The federal civil-rights collection also records 5 expulsions at this campus for 2021-22.
Among Griswold's high schools, it stands alongside Griswold Alternative School (19 students): Griswold High School is larger than that campus by headcount and runs heavier classes (12.1:1 vs 4.8:1).
Griswold School District also operates Griswold Elementary School (655 students) and Griswold Middle School (529 students) alongside Griswold 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 Griswold High School compares
Griswold 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 | 12.1:1 | ▼ 0% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 38.3% | ▲ 5% | 36.4% | 51.7% |
| Enrollment | 606 | top 22% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.1:1
Leaner classes than 75% of US schools, among the more generously staffed nationally.
606
Bigger than 73% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
38.3%
free-lunch eligible
- 5% above the Connecticut average of 36.4%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
12.1:1
students per teacher
- 0% above state mean
Top 60% in Connecticut - lower ratio than 40% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
22.6%
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
$21,093
per pupil, district-wide
- below 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
Counselors2.4 FTE
Per 252 students, the combined health-and-guidance staffing load for this school.
Discipline context
41
in-school suspensions + 39 out-of-school
Suspension rate: 6.8 per 100 students. Combined in-school and out-of-school rate: 13.2 per 100 students. Reported via the Civil Rights Data Collection. Includes 5 expulsions.
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 67.9%
Hispanic or Latino 16.9%
Two or More 7.8%
African American 4.0%
Asian 2.3%
American Indian / Alaska Native 1.0%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 67.9% of enrollment.
Student-body diversity index 50.2/100
Simpson diversity index - at 50.2, Griswold High School is about as mixed as the Connecticut school average of 50.5.
Programs
AP courses offered 10
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Griswold School District, which includes Griswold High School.
$21,093
Per student
-12%
vs Connecticut
Avg $23,870
+27%
vs U.S.
Avg $16,593
Revenue mix
Local 46.1%
State 44.5%
Federal 9.4%
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 Griswold High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Griswold Elementary School | Similar size | Similar economic need | Higher S:T ratio |
| Griswold Middle School | Similar size | Similar economic need | Similar S:T ratio |
| Griswold Alternative School | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Griswold High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 655
- Students per teacher
- 13.6:1
- Resource Index
- 34/100
- Enrollment
- 529
- Students per teacher
- 11:1
- Resource Index
- 45/100
- Enrollment
- 19
- Students per teacher
- 4.8:1
- Resource Index
- 51/100
Similar high schools in Griswold
1 comparable high schools (grades 9-12) serving the same city.
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 (~606 students)
Next steps
Verify locally before acting on Griswold High School's federal record.
- Compare Griswold High School against another school. Compare schools
- Griswold School District'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 Griswold High School
How many students attend Griswold High School?
Griswold High School has 606 students enrolled. It is a high school in Griswold, CT.
What is the student-teacher ratio at Griswold High School?
The student-teacher ratio at Griswold High School is 12.1:1, which is 0% higher than the Connecticut average of 12.1:1 and 23% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Griswold High School?
38.3% of students at Griswold High School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Griswold High School?
The largest demographic group at Griswold High School is White at 67.9% of enrollment, in Griswold, CT. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 50.2/100.
What is the Resource Investment Index for Griswold High School?
Griswold High School has a Resource Investment Index of 53/100 (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 Griswold High School rank among public schools in Griswold?
By Resource Investment Index, Griswold High School ranks #1 of 4 public schools in Griswold, 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 Griswold on the city page.
Is Griswold High School a good school?
Griswold High School earns 53/100 on the Resource Investment Index, with class sizes near the Connecticut median. 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 Griswold School District?
Besides Griswold High School, Griswold School District also operates Griswold Elementary School (655 students), Griswold Middle School (529 students), and Griswold Alternative School (19 students). See the Griswold School District 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.