| Attala Co School Dist, MS (District) |
| Attala County, MS (ISD) |
| Attalla City, AL (District) |
| Attica, KS (District) |
| Attica Central School District, NY (District) |
| Attica Consolidated Sch Corp, IN (District) |
| Attleboro, MA (District) |
| Atwater Elementary, CA (District) |
| Atwood Heights SD 125, IL (District) |
| Au Gres-Sims School District, MI (District) |
| Aubrey ISD, TX (District) |
| Auburn, MA (District) |
| Auburn City, AL (District) |
| Auburn City School District, NY (District) |
| Auburn CUSD 10, IL (District) |
