Excellent
#105 of 990 schools in CT
Top 11% in state
Greenwich High School
High School · Greenwich School District · Greenwich, CT
A high school in Greenwich, CT where students score 8 points above what's typical for similar communities.
10 Hillside Rd., Greenwich, CT 06830
- Math 64% proficient (2022)
- Reading 79% proficient (2022)
- 97.0% 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
View breakdown
Students at Greenwich High School score 72% proficient, which is above what's typical for similar communities (expected: 63%).
2022 EdFacts proficiency
Most recent published year. School vs. CT average.
Trend
→ SteadyProficiency is down 20 points across the 14-year record (2009–2022) and has held near 72% recently.
Show all 13 years
Multi-year averages used by the rating model: math 72% (multi-year average, 2009-2022) · reading/ELA 85% (multi-year average, 2009-2022)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 26 test records from CT state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
21.7%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Greenwich High School sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.
Getting around & local context
- Walk 30Car-Dependent
- Bike 36Somewhat Bikeable
- City Safety: Elevated877/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Greenwich), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$146,841
Median home value
$1,685,700
Median rent
$2,296/mo
College educated
69%
Homeownership
55.9%
Poverty rate
7.4%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 06830; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| The Greenwich Country Day SchoolPrivate · tuition | 5.8 | PK–12 | 0.6 mi | 1,254 | Compare → |
| Brunswick SchoolPrivate · tuition | 6.6 | PK–12 | 0.8 mi | 1,003 | Compare → |
| Greenwich AcademyPrivate · tuition | 6.7 | PK–12 | 0.8 mi | 792 | Compare → |
| The Greenwich Japanese SchoolPrivate · tuition | 6.9 | 1–9 | 1.2 mi | 114 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Greenwich School District
- Schools in district
- 15
- Rank in district
- #9 of 15
- District spending per student
- $31,488NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 5.3%Census SAIPE · 2024
Greenwich High School is listed in Greenwich School District; a district label does not verify attendance for an address.
About Greenwich High School
Greenwich High School is a public high school in Greenwich, CT, part of Greenwich School District, serving approximately 2,633 students in grades 9th-12th with a 13.4:1 student-teacher ratio. It holds a MySchoolScout rating of 8.7 out of 10 and ranks #105 of 990 schools in CT. State assessment records show 72% math proficiency (multi-year average, 2009-2022) and 85% reading/ELA proficiency (multi-year average, 2009-2022).
What's said publicly about Greenwich High School
Synthesized from public, attributable sources. Updated April 2026.Reviewed for accuracy.
Sources (2)
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 ranks #105 of 990 schools in CT.
What is Greenwich High School's MySchoolScout rating?
Greenwich High School has a current MySchoolScout rating of 8.7 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Greenwich High School?
Based on loaded state assessment records, Greenwich High School has 72% math proficiency (multi-year average, 2009-2022) and 85% reading/ELA proficiency (multi-year average, 2009-2022).
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.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 9th – 12th
- Enrollment
- 2,633
- Student-Teacher Ratio
- 13.4:1
- Teachers (FTE)
- 197
- Type
- regular
- Setting
- Large Suburb
- County
- Connecticut Planning Region 9
- Chronic Absenteeism (SY 2022-23)
- 11.0%
- Phone
- (203) 625-8000
- 4-Year Graduation
- 97.0%
- Area population (ZIP 06830)
- 24,919
- Area average commute
- 29.8 min
- Area median age
- 43.7
Official sources & links
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2022 EdFacts · Low confidence
- Older source: 2022 EdFacts. Use as historical context.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2022 EdFacts · Low confidence
- Older source: 2022 EdFacts. Use as historical context.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 06830; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2022; directory SY 2023–24
Related 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.