Guilford High School
🇺🇸 Official data · 2025Guilford, Connecticut 06437 · Guilford School District
#18 of 180 high schools in Connecticut
#428 of 16,910 nationally
About Guilford High School
Guilford High School is a public high located in Guilford, in the Guilford School District school district of Connecticut, United States. It caters for Grades 9–12. In 2025 it enrolled 1,008 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 87.2 out of 100, placing it in the top 5% of high schools in United States and 18th of 180 ranked high schools in Connecticut. Its strongest component is community advantage (fewer free/reduced-price lunch) (96th percentile), and its weakest is students per teacher (75th percentile).
Other published figures: enrollment 1,008.
There are 7 schools in Guilford; Guilford High School ranks 7th of 7 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)68%
- Reading proficiency (30%)85%
- Community advantage (fewer free/reduced-price lunch) (25%)14.6%
- Students per teacher (15%)11.9
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 Guilford High School by the official sources.
- Enrollment
- 1,008
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 14.6%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 11.9
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 85%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 68%
- Share of tested students proficient or above (all students, all grades).
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Schools near Guilford High School
Closest schools by straight-line distance, with their Success Index (US).
Guilford Lakes School
Guilford · Public elementary · Grades PK–4
369 students · 2.6 km away
A. Baldwin Middle School
Guilford · Public middle · Grades 5–6
463 students · 2.9 km away
A. W. Cox School
Guilford · Public elementary · Grades K–4
255 students · 3.1 km away
E. C. Adams Middle School
Guilford · Public middle · Grades 7–8
478 students · 3.1 km away
Calvin Leete School
Guilford · Public elementary · Grades K–4
213 students · 4.7 km away
Melissa Jones School
Guilford · Public elementary · Grades K–4
265 students · 6.5 km away
Francis Walsh Intermediate School
Branford · Public middle · Grades 5–8
775 students · 6.7 km away
Mary R. Tisko School
Branford · Public elementary · Grades PK–4
365 students · 7.2 km away
Kathleen H. Ryerson Elementary School
Madison · Public elementary · Grades K–3
314 students · 7.7 km away
Daniel Hand High School
Madison · Public high · Grades 9–12
751 students · 7.9 km away
Similar schools
Public high schools in Connecticut with a comparable Enrollment.
E. O. Smith High School
Storrs · Public high · Grades 9–12
1,010 students
The Woodstock Academy
Woodstock · Public high · Grades 9–12
1,011 students
Bristol Eastern High School
Bristol · Public high · Grades 9–12
998 students
Rockville High School
Vernon · Public high · Grades 9–12
995 students
Bunnell High School
Stratford · Public high · Grades 9–12
982 students
Torrington High School
Torrington · Public high · Grades 9–12
1,034 students
Frequently asked questions
Is Guilford High School a good school?
Guilford High School has a Success Index (US) of 87.2 out of 100 (Top 5% of high schools in United States) and ranks #18 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 Guilford High School rank in Connecticut?
Guilford High School ranks #18 of 180 high schools in Connecticut and #428 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Guilford High School?
Guilford High School had 1,008 students in 2025.
Is Guilford High School a elementary school or a high school?
Guilford High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Guilford High School?
There are 10 schools within 15 km of Guilford High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.