Excellent
#61 of 990 schools in CT
Top 6% in state
Greenwich High School
High School · Greenwich School District
10 Hillside Rd., Greenwich, CT 06830
Enrollment
2,633
Student-Teacher
13.4:1
Score
8.7
Grades
9th – 12th
Enrollment
2,633
Student-Teacher
13.4:1
Score
8.7
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Greenwich
#4 of 9
public schools
Connecticut high schools
#10 of 196
In district
#8 of 15
Greenwich School District
Academic performance
9.1 / 10
Exceptional
About Greenwich High School
Greenwich High School is a public high school in Greenwich, CT, part of the Greenwich School District. The school serves approximately 2,633 students in grades 9th – 12th with a student-teacher ratio of 13.4:1. It holds a MySchoolScout rating of 8.7/10, placing it in the 93.9th percentile among CT schools — an above average rating overall.
Students demonstrate 63% proficiency in math and 80% in reading/language arts. The school scores particularly well in school environment (8.5/10). Located in a neighborhood with a median household income of $146,841, where 69% of adults hold a bachelor's degree or higher.
The school is situated in a large suburban setting.
What's said publicly about Greenwich High School
Synthesized from public, attributable sources. Updated April 2026. Reviewed for accuracy.
Sources (2)
What Parents Should Know
Greenwich High School is a large school with 2,633 students enrolled. Larger schools typically offer a wider range of academic programs, electives, and extracurricular activities. Parents may want to ask about how the school maintains a sense of community and ensures students don't get lost in the crowd.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
View breakdown
Greenwich High School — Students at Greenwich High School score 72% proficient, which is above what's typical for similar communities (expected: 63%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
21.7%
Students qualifying for federal meal assistance
Test Scores CT EDFACTS (2021-22)
Based on 6 test records from CT state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 8.1/10.
How Greenwich High School Compares
See how Greenwich High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has remained stable from 66% (2019) to 64% (2022). Reading/ELA proficiency has declined from 83% (2019) to 79% (2022).
Location
10 Hillside Rd., Greenwich, CT 06830
Nearby Alternatives
Families considering Greenwich High School may also want to explore other high schools in the area. International School At Dundee (rated 9.6/10, 2.1 miles away, in nearby Riverside), which scores slightly higher. Another option is Glenville School (rated 9.3/10, 2.6 miles away), which scores slightly higher. Additionally, North Street School (rated 9.2/10, 1.3 miles away), which scores slightly higher. For more schools in Greenwich, see our Greenwich schools guide .
Nearby Schools
20 within 3.3 mi| School | Distance | Rating |
|---|---|---|
| THE GREENWICH COUNTRY DAY SCHOOL Greenwich | 0.6 mi | 5.8 |
| Julian Curtiss School Greenwich | 0.6 mi | 9.0 |
| Central Middle School Greenwich | 0.7 mi | 8.4 |
| BRUNSWICK SCHOOL Greenwich | 0.8 mi | 6.6 |
| GREENWICH ACADEMY Greenwich | 0.8 mi | 6.7 |
| Cos Cob School Cos Cob | 0.8 mi | 7.0 |
| North Street School Greenwich | 1.3 mi | 9.2 |
| THE GREENWICH JAPANESE SCHOOL Greenwich | 1.2 mi | 6.9 |
| EAGLE HILL SCHOOL Greenwich | 1.5 mi | 8.4 |
| Eastern Middle School Riverside | 1.6 mi | 8.6 |
| GREENWICH CATHOLIC SCHOOL Greenwich | 2.2 mi | 5.6 |
| Riverside School Riverside | 1.8 mi | 9.1 |
| Hamilton Avenue School Greenwich | 2.1 mi | 8.3 |
| North Mianus School Riverside | 2.1 mi | 8.9 |
| International School At Dundee Riverside | 2.1 mi | 9.6 |
| Old Greenwich School Old Greenwich | 2.5 mi | 8.9 |
| Western Middle School Greenwich | 2.8 mi | 7.8 |
| Glenville School Greenwich | 2.6 mi | 9.3 |
| Westover School Stamford | 3.0 mi | 6.6 |
| THOMAS A EDISON SCHOOL Port Chester | 3.3 mi | 6.7 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 06830 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$146,841
Median Home Value
$1,685,700
Median Rent
$2,296/mo
Population
24,919
College Educated
69%
Homeownership
55.9%
Avg Commute
29.8 min
Poverty Rate
7.4%
Median Age
43.7
Community Profile
The community surrounding Greenwich High School has a median household income of $146,841. It is a well-educated community where 69% of adults hold a bachelor's degree or higher. The median home value in the area is $1,685,700, with a median rent of $2,296/month. The local poverty rate of 7.4% is relatively low. The average commute for residents is 30 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Staples High School Westport, CT | 9.2 |
| Glastonbury High School Glastonbury, CT | 7.9 |
| Trumbull High School Trumbull, CT | 7.4 |
Frequently Asked Questions
Common questions about Greenwich High School
What grades does Greenwich High School serve?
Greenwich High School serves students in grades 9th through 12th.
How many students attend Greenwich High School?
Greenwich High School has an enrollment of approximately 2,633 students.
What is the student-teacher ratio at Greenwich High School?
The student-teacher ratio at Greenwich High School is 13.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Greenwich High School rank in CT?
Greenwich High School is ranked #61 out of 990 schools in CT.
What is Greenwich High School's MySchoolScout rating?
Greenwich High School has a composite rating of 8.7 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Greenwich High School?
Based on the most recent state assessment data, Greenwich High School has 63.0% math proficiency and 80.0% reading/ELA proficiency.
Is Greenwich High School a charter school?
No, Greenwich High School is not a charter school. It is a traditional public school operated by the local school district.
Is Greenwich High School a Title I school?
No, Greenwich High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Greenwich High School?
21.7% of students at Greenwich High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
Powered by 
FBI UCR 2024. City-level (Greenwich). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 2,633
- Student-Teacher Ratio
- 13.4:1
- Teachers (FTE)
- 197
- Free/Reduced Lunch
- 21.7%
- Type
- regular
- Setting
- Large Suburb
- County
- Connecticut Planning Region 9
- Phone
- (203) 625-8000
- Data Year
- 2023–2024
Resources & Links
District
Greenwich School District- District Enrollment
- 8,589
- Schools in District
- 15
- Per-Pupil Spending
- $31,488
- District Rank
- #8 of 15
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.