Greenwich's Greenwich High School is a Public School Serving students in Grades 09-12.
73.27% of students at this school are White, non-Hispanic
| Grades Offered | Grades 09-12 |
| Total Students | 2656 |
| Student:Teacher ratio | 12:1 |
| Gender % | 51.13 % Male / 48.87 % Female |
| Total Classroom Teachers | 212.90 |
| Student Population at Greenwich High School by Grade | |
| Magnet School | |
| Charter School | |
| Shared School | |
| Title 1 Eligible | |