Schools
| School Name | Level | District |
|---|---|---|
| Annex Elementary | Elementary School, Middle School | District 9 |
| Antonia Crater Elementary | Elementary School | District 14 |
| Applegate Elementary – Eugene | Elementary School | District 12 |
| Applegate School | District 8 | |
| Arata Creek School | Elementary School, High School, Middle School | District 2 |
| Arbor School of Arts and Sciences | Elementary School, Middle School | District 14 |
| Archbishop Howard School | Elementary School, Middle School, Preschool | District 2 |
| Archer Glen Elementary | Elementary School | District 14 |
| Ardenwald Elementary | Elementary School | District 13 |
| Arleta Elementary | Elementary School, Middle School | District 1 |
| Arlington Elementary | Elementary School, Middle School | District 6 |
| Arlington High School | High School | District 6 |
| Armadillo Technical School | Elementary School, High School, Middle School | District 8 |
| Armand Larive Middle | Middle School | District 6 |
| Arthur Academy – David Douglas SD | Elementary School | District 2 |
| Arthur Academy – Gresham | Elementary School | District 2 |
| Arthur Academy – Portland | Elementary School | District 1 |
| Arthur Academy – Troutdale | Elementary School | District 2 |
| Arthur Academy – Woodburn | Elementary School | District 4 |
| Arts & Communications High – Beaverton | High School | District 15 |