Griswold High School

267 Slater Ave., Griswold, CT 06351

CSchola Grade
Grades
9–12
High
Students
606
Enrolled 2024–25
Students per teacher
11.5 : 1
Full-time teachers
District
Griswold School District
Southeastern Connecticut Planning Region

Schola Grade C · Average

Letter grade (A–F) · compared with 194 Connecticut high schools · How we grade
Test scores42% proficient in math & reading
50thpercentile
Equity35% of low-income students proficient
71stpercentile
Attendance30% chronically absent
24thpercentile
Graduation rate87% graduate in 4 years
27thpercentile
College readinessAt least 23% take AP, IB or dual-enrollment courses
44thpercentile
Class size11.5 students per teacher
49thpercentile

Percentiles compare this school with other Connecticut high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Griswold High School

Griswold High School is a public high school in Griswold, Connecticut, serving grades 9–12. It is part of Griswold School District. The school is located in a town on the edge of a metro area in Southeastern Connecticut Planning Region.

In the 2024–25 school year, 606 students were enrolled, with about 11.5 students for every full-time teacher. That ratio is close to the typical Connecticut high school (11.1 students per teacher). Its Schola Grade is C (average), compared with 194 Connecticut high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

267 Slater Ave.
Griswold, CT 06351
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School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
606 students
Students per teacher
11.5 to 1
AP courses offered
9
Charter school
No
Magnet school
No
Virtual learning
Offers virtual courses
Locale
Town — Fringe
School district
Griswold School District
County
Southeastern Connecticut Planning Region
NCES school ID
090174000311

Schools near Griswold High School

All 3 schools in Griswold →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.