Cos Cob School
| Name | Cos Cob School |
| Grades | Class PK to Class 05 |
| Address | 300 East Putnam Ave. |
| City | Cos Cob |
| School District | Greenwich School District |
| County | Fairfield County |
| Zipcode | 06807-2545 |
| Phone No. | (203)869-4670 |
| State | Connecticut |
| Suburb | Large |
| Students | 362 |
| Teachers | 31 |
| Student Teacher Ratio | 11.6 students per teacher |
| Charter School | No |
| Magnet School | No |
Cos Cob School is located at 300 East Putnam Ave. in Cos Cob city of Fairfield County county in Connecticut. This school comes under Greenwich School District. You can call them at (203)869-4670 for more details. This is not a magnet school. Total three hundred sixty two students from class PK to class 05 study in this school who are taught by thirty one teachers. This is not a charter school. The student teacher ratio of this school is 11.6.