Schools
| School Name | Level | District |
|---|---|---|
| Alberta Rider Elementary | Elementary School | District 14 |
| Albina Youth Opportunity School | High School | District 2 |
| Alder Creek Middle School | Middle School | District 13 |
| Alder Elementary | Elementary School | District 2 |
| Aleph Bet Jewish | Elementary School, Preschool | District 15 |
| Alice Ott Middle School | Middle School | District 2 |
| All Saints School | Elementary School, Middle School, Preschool | District 2 |
| Allen Dale Elementary | Elementary School | District 8 |
| Alliance Charter Academy – Oregon City | Elementary School, High School, Middle School | District 13 |
| Alliance High – Portland | High School | District 1 |
| Aloha High School | High School | District 15 |
| Aloha-Huber Park School | Elementary School, Middle School | District 15 |
| Alpha High | High School, Middle School | District 2 |
| Alsea Elementary | Elementary School | District 11 |
| Alsea High School | High School, Middle School | District 11 |
| Altamont Elementary | Elementary School | District 8 |
| Amity Creek Elementary | Elementary School | District 5 |
| Amity Elementary | Elementary School | District 3 |
| Amity High School | High School | District 3 |
| Amity Middle School | Middle School | District 3 |