Griswold High School
🇺🇸 Official data · 2025Griswold, Connecticut 06351 · Griswold School District
#112 of 180 high schools in Connecticut
#8672 of 16,910 nationally
About Griswold High School
Griswold High School is a public high located in Griswold, in the Griswold School District school district of Connecticut, United States. It caters for Grades 9–12. In 2025 it enrolled 606 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 48.9 out of 100, placing it in the lower 50% of high schools in United States and 112th of 180 ranked high schools in Connecticut. Its strongest component is students per teacher (76th percentile), and its weakest is math proficiency (30th percentile).
Other published figures: enrollment 606.
There are 3 schools in Griswold; Griswold High School ranks 3rd of 3 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)27%
- Reading proficiency (30%)57%
- Community advantage (fewer free/reduced-price lunch) (25%)52.6%
- Students per teacher (15%)11.7
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Griswold High School by the official sources.
- Enrollment
- 606
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 52.6%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 11.7
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 57%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 27%
- Share of tested students proficient or above (all students, all grades).
Free academic assessment
Is your child on grade level in reading and math?
Success Tutoring offers personalised English and math tutoring from Kindergarten to Grade 12. Start with a free online assessment and a clear plan for the year ahead.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Schools near Griswold High School
Closest schools by straight-line distance, with their Success Index (US).
Griswold Elementary School
Griswold · Public elementary · Grades PK–4
655 students · 216 m away
Griswold Middle School
Griswold · Public middle · Grades 5–8
529 students · 267 m away
Lisbon Central School
Lisbon · Public elementary · Grades PK–8
413 students · 3.0 km away
Wequonnoc Magnet School
Taftville · Public elementary · Grades PK–5
197 students · 6.8 km away
Preston Veterans' Memorial School
Preston · Public elementary · Grades PK–5
284 students · 7.3 km away
Moriarty Magnet School
Norwich · Public elementary · Grades PK–5
404 students · 7.5 km away
Sayles School
Baltic · Public elementary · Grades PK–8
254 students · 9.2 km away
Kelly STEAM Magnet Middle School
Norwich · Public middle · Grades 6–8
593 students · 9.7 km away
Voluntown Elementary School
Voluntown · Public elementary · Grades PK–8
216 students · 9.8 km away
Plainfield Central School
Plainfield · Public middle · Grades 6–8
422 students · 11 km away
Similar schools
Public high schools in Connecticut with a comparable Enrollment.
New London High School
New London · Public high · Grades 9–12
605 students
Engineering - Science University Magnet School
West Haven · Public high · Grades 6–12
608 students
Seymour High School
Seymour · Public high · Grades 9–12
604 students
Wolcott High School
Wolcott · Public high · Grades 9–12
611 students
Lewis S. Mills High School
Burlington · Public high · Grades 9–12
614 students
Ansonia High School
Ansonia · Public high · Grades 9–12
617 students
Frequently asked questions
Is Griswold High School a good school?
Griswold High School has a Success Index (US) of 48.9 out of 100 (Lower 50% of high schools in United States) and ranks #112 of 180 in Connecticut. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Griswold High School rank in Connecticut?
Griswold High School ranks #112 of 180 high schools in Connecticut and #8672 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Griswold High School?
Griswold High School had 606 students in 2025.
Is Griswold High School a elementary school or a high school?
Griswold High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Griswold High School?
There are 10 schools within 15 km of Griswold High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.