Greenwich High School
🇺🇸 Official data · 2025Greenwich, Connecticut 06830 · Greenwich School District
#36 of 180 high schools in Connecticut
#960 of 16,910 nationally
About Greenwich High School
Greenwich High School is a public high located in Greenwich, in the Greenwich School District school district of Connecticut, United States. It caters for Grades 9–12. In 2025 it enrolled 2,620 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 82.4 out of 100, placing it in the top 10% of high schools in United States and 36th of 180 ranked high schools in Connecticut. Its strongest component is reading proficiency (89th percentile), and its weakest is students per teacher (63th percentile).
Other published figures: enrollment 2,620.
There are 9 schools in Greenwich; Greenwich High School ranks 5th of 9 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)66%
- Reading proficiency (30%)83%
- Community advantage (fewer free/reduced-price lunch) (25%)22.8%
- Students per teacher (15%)13.4
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 Greenwich High School by the official sources.
- Enrollment
- 2,620
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 22.8%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 13.4
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 83%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 66%
- Share of tested students proficient or above (all students, all grades).
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Schools near Greenwich High School
Closest schools by straight-line distance, with their Success Index (US).
Julian Curtiss School
Greenwich · Public elementary · Grades PK–5
236 students · 1.0 km away
Central Middle School
Greenwich · Public middle · Grades 6–8
483 students · 1.1 km away
Cos Cob School
Cos Cob · Public elementary · Grades PK–5
343 students · 1.2 km away
North Street School
Greenwich · Public elementary · Grades PK–5
411 students · 2.1 km away
Eastern Middle School
Riverside · Public middle · Grades 6–8
797 students · 2.6 km away
Riverside School
Riverside · Public elementary · Grades K–5
440 students · 2.9 km away
International School At Dundee
Riverside · Public elementary · Grades K–5
342 students · 3.3 km away
Hamilton Avenue School
Greenwich · Public elementary · Grades PK–5
299 students · 3.4 km away
North Mianus School
Riverside · Public elementary · Grades K–5
423 students · 3.4 km away
Old Greenwich School
Old Greenwich · Public elementary · Grades PK–5
385 students · 4.0 km away
Similar schools
Public high schools in Connecticut with a comparable Enrollment.
New Britain High School
New Britain · Public high · Grades 9–12
2,521 students
Westhill High School
Stamford · Public high · Grades 9–12
2,224 students
Trumbull High School
Trumbull · Public high · Grades 9–12
2,152 students
Stamford High School
Stamford · Public high · Grades 9–12
2,102 students
Norwich Free Academy
Norwich · Public high · Grades 9–12
2,020 students
Southington High School
Southington · Public high · Grades 9–12
1,905 students
Frequently asked questions
Is Greenwich High School a good school?
Greenwich High School has a Success Index (US) of 82.4 out of 100 (Top 10% of high schools in United States) and ranks #36 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 Greenwich High School rank in Connecticut?
Greenwich High School ranks #36 of 180 high schools in Connecticut and #960 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Greenwich High School?
Greenwich High School had 2,620 students in 2025.
Is Greenwich High School a elementary school or a high school?
Greenwich High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Greenwich High School?
There are 10 schools within 15 km of Greenwich High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.