The following is a list of school districts in Jefferson County, NY. Jefferson County has 12 school districts. Click on the school districts below to view the Jefferson County schools located there.
| School District Name | City |
|---|---|
| ALEXANDRIA CENTRAL SCHOOL DISTRICT | ALEXANDRIA BAY |
| BELLEVILLE-HENDERSON CENTRAL SCHOOL DISTRICT | ADAMS |
| CARTHAGE CENTRAL SCHOOL DISTRICT | CARTHAGE |
| GENERAL BROWN CENTRAL SCHOOL DISTRICT | DEXTER |
| INDIAN RIVER CENTRAL SCHOOL DISTRICT | PHILADELPHIA |
| JEFFERSON-LEWIS-HAMILTON-HERKIMER-ONEIDA BOCES | WATERTOWN |
| LA FARGEVILLE CENTRAL SCHOOL DISTRICT | LA FARGEVILLE |
| LYME CENTRAL SCHOOL DISTRICT | CHAUMONT |
| SACKETS HARBOR CENTRAL SCHOOL DISTRICT | SACKETS HARBOR |
| SOUTH JEFFERSON CENTRAL SCHOOL DISTRICT | ADAMS CENTER |
| THOUSAND ISLANDS CENTRAL SCHOOL DISTRICT | CLAYTON |
| WATERTOWN CITY SCHOOL DISTRICT | WATERTOWN |