Cos Cob School
Cos Cob, Connecticut · Grades PreK to 5 · Greenwich School District
About Cos Cob School
Located in Cos Cob, Connecticut, Cos Cob School is a public school for pre-K through grade 5. It reported 343 students in 2024-25. There are about 10 students for every full-time-equivalent teacher (34.3 teachers in all). It is one of 15 schools in Greenwich School District. Federal locale data places it in a suburb of a large metro area, in Western Connecticut Planning Region. Within 5 miles there are 53 other schools, so families have nearby options to compare.
Open Houses & Tours
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School facts
| Address | 300 East Putnam Ave., Cos Cob, CT 06807 |
|---|---|
| Phone | (203) 869-4670 |
| School district | Greenwich School District |
| Grades | PreK to 5 |
| Students (2024-25) | 343 |
| Teachers (full-time equivalent, 2024-25) | 34.3 |
| Students per teacher | 10 |
| Charter school | No |
| School type | Regular |
| Level | Elementary |
| Locale (NCES) | Suburb, large, Western Connecticut Planning Region |
Source: NCES Common Core of Data (CCD), 2024-25 public school directory and membership files (NCES school ID 090171000296). Details may have changed since the survey. Schools can update them by claiming this profile.
Nearby schools
The 8 closest public, charter and private schools by straight-line distance, from NCES location data. Listings here are never paid.
Frequently asked questions
What grades does Cos Cob School serve?
Cos Cob School serves pre-K through grade 5.
How many students attend Cos Cob School?
Cos Cob School reported 343 students in 2024-25, according to the NCES Common Core of Data.
What is the student-teacher ratio at Cos Cob School?
About 10 students per full-time-equivalent teacher, based on 343 students and 34.3 teachers in federal data.
Is Cos Cob School a public or charter school?
Cos Cob School is a traditional public (non-charter) school.
What school district is Cos Cob School in?
Cos Cob School is part of Greenwich School District. See all schools in this district at https://parentschoolreview.com/districts/ct/greenwich-school-district/
Where is Cos Cob School located?
Cos Cob School is at 300 East Putnam Ave., Cos Cob, CT 06807. The phone number is (203) 869-4670.
How many other schools are near Cos Cob School?
There are 53 other schools within 5 miles of Cos Cob School in our directory.
Is this your school?
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ParentSchoolReview is owned and operated by School Success. Disclosure.
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