| NexTech High School of Lansing, MI (PSA) |
| NexTech High School of Metro Detroit, MI (PSA) |
| Nexus Academy of Indianapolis, IN (District) |
| Nez Perce County, ID (ISD) |
| Nezperce Joint District, ID (District) |
| Niagara Charter School, NY (PSA) |
| Niagara County, NY (ISD) |
| Niagara Falls City School District, NY (District) |
| Niagara School District, WI (District) |
| Niagara-wheatfield Central School District, NY (District) |
| Niangua R-V, MO (District) |
| Nicasio, CA (District) |
| NICE Community School District, MI (District) |
| Nicholas County, WV (ISD) |
| Nicholas County, KY (Phantom) |
