Greenwich High School

Greenwich High School, a substantial high school in Greenwich, Connecticut, one of the schools within Greenwich School District, teaches 2,620 students, covering grades 9 through 12. Compared to the state average of about 788 students per school, that is 232% bigger than typical.

Within Greenwich School District, which oversees 15 schools and 8,377 students, Greenwich High School is one campus in the system.

On the student-mix side, Greenwich High School logs that the largest single group is White, at 58% of enrollment. Other groups include 26% Hispanic, 8% Asian, 6% multiracial, 2% Black. That mix tracks the wider county fairly closely.

On the resource side, Staff filings list 196 full-time-equivalent teachers, which works out to roughly 13.4:1 students per teacher. The state averages around 12.3:1, so this campus is higher than the state norm typical. About 23% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. By comparison, Western Connecticut Planning Region runs at roughly 33%, so the school's eligibility rate is below the surrounding baseline.

Zooming out to the county, Western Connecticut Planning Region reports that median household income runs about $128,188, 56% of adults hold a bachelor's degree or higher, and roughly 5% of residents live below the federal poverty line. Across Western Connecticut Planning Region's 149 public schools (combined enrollment of about 90,520 students), Greenwich High School is one campus in the mix.

The closest other public school is Julian Curtiss School, roughly 0.6 miles away. Counting just inside five miles, 8 other public schools cluster around Greenwich High School.

The campus sits in a residential setting.

Trend over the last 7 years. Over the past 7-year window, the student count changed only slightly: 2,654 students in 2018 compared to 2,620 in 2025. Over the same period, the White share ticked down from 66% to 58%. Class-load math has loosened: from 11.9:1 in 2018 to 13.4:1 in 2025.

Inside the community feed, members of the Greenwich High School community share and discuss school events, parent volunteer needs, and clubs. Members of the school community can share what they know.