| Smyrna School District, DE (District) |
| Smyth, VA (District) |
| Snake River District, ID (District) |
| Snelling-Merced Falls Union Elementary, CA (District) |
| Snohomish County, WA (ISD) |
| Snohomish School District, WA (District) |
| Snook ISD, TX (District) |
| Snoqualmie Valley School District, WA (District) |
| Snowflake Unified District, AZ (District) |
| Snowline Joint Unified, CA (District) |
| Snyder, OK (District) |
| Snyder County, PA (ISD) |
| Snyder ISD, TX (District) |
| So Central Ne Unified System 5, NE (District) |
| So Sioux City Community Schs, NE (District) |
