Greenwich High School

10 Hillside Rd., Greenwich, CT 06830

ASchola Grade
Grades
9–12
High
Students
2,620
Enrolled 2024–25
Students per teacher
13.4 : 1
Full-time teachers
District
Greenwich School District
Western Connecticut Planning Region

Schola Grade A · Excellent

Letter grade (A–F) · compared with 194 Connecticut high schools · How we grade
Test scores72% proficient in math & reading
93rdpercentile
Equity44% of low-income students proficient
90thpercentile
Attendance11% chronically absent
89thpercentile
Graduation rate94% graduate in 4 years
60thpercentile
College readinessAt least 17% take AP, IB or dual-enrollment courses
20thpercentile
Class size13.4 students per teacher
22ndpercentile

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 Greenwich High School

Greenwich High School is a public high school in Greenwich, Connecticut, serving grades 9–12. It is part of Greenwich School District. The school is located in a large suburb in Western Connecticut Planning Region.

In the 2024–25 school year, 2,620 students were enrolled, with about 13.4 students for every full-time teacher. That ratio is larger than the typical Connecticut high school (11.1 students per teacher). Its Schola Grade is A (excellent), compared with 194 Connecticut high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

10 Hillside Rd.
Greenwich, CT 06830
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School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
2,620 students
Students per teacher
13.4 to 1
AP courses offered
32
Charter school
No
Magnet school
No
Virtual learning
Offers virtual courses
Locale
Suburb — Large
School district
Greenwich School District
County
Western Connecticut Planning Region
NCES school ID
090171000300

Schools near Greenwich High School

All 15 schools in Greenwich →

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.