| School Name | Grades | Students | S/T Ratio | Location |
|---|---|---|---|---|
| Brown Avenue School | 1 - 5 | 207 | 12.2 | Johnston, 02919 |
| Early Childhood Center | PK - K | 227 | 16.2 | Johnston, 02919 |
| George C. Calef School | 1 - 5 | 151 | 10.8 | Johnston, 02919 |
| Graniteville School | 1 - 5 | 174 | 58.0 | Johnston, 02919 |
| Sarah Dyer Barnes School | 1 - 5 | 218 | 16.8 | Johnston, 02919 |
| Thornton School | 1 - 5 | 228 | 10.4 | Johnston, 02919 |
| Winsor Hill School | 1 - 5 | 289 | 14.4 | Johnston, 02919 |
| Nicholas A. Ferri Middle School | 6 - 8 | 829 | 18.8 | Johnston, 02919 |
| Johnston Senior High School | 9 - 12 | 899 | 10.1 | Johnston, 02919 |
