| Auglaize County ESC, OH (ISD) |
| Augsburg Fairview Academy, MN (District) |
| Augusta, KS (District) |
| Augusta, VA (District) |
| Augusta Academy, MI (PSA) |
| Augusta Elem, MT (District) |
| Augusta H S, MT (District) |
| Augusta Independent Schools, KY (District) |
| Augusta Public Schools, ME (District) |
| Augusta School District, AR (District) |
| Augusta School District, WI (District) |
| Ault-Highland Re-9, CO (District) |
| Aurelia Comm School District, IA (District) |
| Aurora Academy, OH (PSA) |
| Aurora Charter School, MN (District) |
