Schools
| School Name | Level | District |
|---|---|---|
| Arts and Technology Academy at Jefferson | Middle School | District 12 |
| Arts, Communication & Technology School – Portland | High School | District 1 |
| ArtTech High School | High School | District 14 |
| Ash Creek Elementary | Elementary School | District 4 |
| Ashbrook Independent School | Elementary School, Middle School, Preschool | District 11 |
| Ashland High School | High School | District 8 |
| Ashland Middle School | Middle School | District 8 |
| Ashwood Elementary | Elementary School | District 5 |
| Astor Elementary – Astoria | Elementary School | District 3 |
| Astor Elementary – Portland | Elementary School, Middle School | District 1 |
| Astoria High School | High School | District 3 |
| Astoria Middle School | Middle School | District 3 |
| Athena Elementary | Elementary School | District 6 |
| Athey Creek Middle School | Middle School | District 14 |
| Atkinson Elementary | Elementary School | District 1 |
| Auburn Elementary | Elementary School | District 4 |
| Aumsville Elementary | Elementary School | District 4 |
| Awbrey Park Elementary | Elementary School | District 12 |
| Azalea Middle School | Middle School | District 7 |
| Azbuka Academy | High School | District 2 |