Old Greenwich School vs Cos Cob School
Old Greenwich School has a higher overall rating of 9.6/10 compared to 7.8/10. In math proficiency, Old Greenwich School leads at 86.0%.
Attendance data is under correction. A public school's existing Resources & Environment score and overall rating shown here may still reflect an unverified attendance input.
Old Greenwich School
Old Greenwich, CT
9.6/10
Elementary SchoolPre-K – 5th
406 students
Cos Cob School
Cos Cob, CT
7.8/10
Elementary SchoolKindergarten – 5th
340 students
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| Metric | Old Greenwich School | Cos Cob School |
|---|---|---|
| Overall Rating | 9.6 / 10 | 7.8 / 10 |
| Academic Score | 9.6 | 6.9 |
| Growth Score | 9.4 | 7.5 |
| Diversity Index | — | — |
| Free/Reduced Lunch | 1.5% | 14.1% |
| Environment Score | 10.0 | 9.7 |
| State Rank | #7 of 992 | #207 of 992 |
| State Percentile | 99th | 79th |
Test Scores
| Subject | Old Greenwich School | Cos Cob School |
|---|---|---|
| Math Proficiency | 86.0% | 74.0% |
| Math (State Avg) | — | — |
| ELA Proficiency | 87.0% | 72.0% |
| ELA (State Avg) | — | — |
School Details
| Detail | Old Greenwich School | Cos Cob School |
|---|---|---|
| Type | Elementary School | Elementary School |
| Grades | Pre-K – 5th | Kindergarten – 5th |
| Enrollment | 406 | 340 |
| Student-Teacher Ratio | 11.3:1 | 9.7:1 |
| Free/Reduced Lunch | 1.5% | 14.1% |
| District | Greenwich School District | Greenwich School District |
| City | Old Greenwich | Cos Cob |
Neighborhood
| Metric | Old Greenwich (06870) | Cos Cob (06807) |
|---|---|---|
| Median Household Income | $227,727 | $194,492 |
| Median Home Value | $1,579,200 | $1,228,000 |
| Median Rent | $3,501 | $2,622 |
| College Educated (Bachelor's+) | 83.3% | 72.9% |
| Poverty Rate | 3.2% | 5.6% |
| Avg Commute | 34 min | 29 min |