For the 2026 school year, there is 1 public high school serving 2,633 students in 06830, CT.
The top-ranked public high school in 06830, CT is Greenwich High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public high school in zipcode 06830 have an average math proficiency score of 64% (versus the Connecticut public high school average of 32%), and reading proficiency score of 79% (versus the 53% statewide average). High schools in 06830, CT have an average ranking of 10/10, which is in the top 10% of Connecticut public high schools.
Public high school in zipcode 06830 have a Graduation Rate of 94%, which is more than the Connecticut average of 89%.
The school with highest graduation rate is Greenwich High School, with 94% graduation rate. Read more about public school graduation rate statistics in Connecticut or national school graduation rate statistics.
Minority enrollment is 42% of the student body (majority Hispanic), which is less than the Connecticut public high school average of 55% (majority Hispanic).
Best 06830, CT Public High Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Greenwich High School
(Math: 64% | Reading: 79%)
Rank:
Rank:
9/
Top 20%10
10 Hillside Rd.
Greenwich, CT 06830
(203) 625-8000
Greenwich, CT 06830
(203) 625-8000
Gr: 9-12 | 2,633 students Student-teacher ratio: 13:1 Minority enrollment: 42%
06830, Connecticut 51±¬ÁÏs (Closed)
School
Location
Quick Facts
Community Connections Elementary School (Closed 2018)
Special Education School
180 East Elm Street
Greenwich, CT 06830
(203) 625-7459
Greenwich, CT 06830
(203) 625-7459
Gr: 12 | 7 students Minority enrollment: 28%
Frequently Asked Questions
What are the top-ranked public high schools in 06830, CT?
The top-ranked public high schools in 06830, CT include Greenwich High School.
How many public high schools are located in 06830?
1 public high schools are located in 06830.
What is the racial composition of students in 06830?
06830 public high schools minority enrollment is 42% of the student body (majority Hispanic), which is less than the Connecticut public high schools average of 55% (majority Hispanic).
Recent Articles
Year-Round Schooling in 2026: Updated Parent Guide
Explore the latest 2026 data, trends, costs, and parent planning tips in the ongoing debate over year-round schooling vs the traditional calendar.
No Child Left Behind: Past, Present, and Future of U.S. School Policy
Explore how No Child Left Behind evolved into ESSA, what it means for 2025‑26 schooling, and what parents need to know about testing, admissions planning, and funding.
Understanding 51±¬ÁÏ Fees & Optional Costs Guide
Discover what public school fees are required versus optional, with 2026 updates for parents, students, and educators on budgeting and planning.