Ontario, Oregon Public Schools
Levels: Primary, Middle, High, Other
Regular Schools
| Name | Level |
|---|---|
| Aiken Elementary School | Primary |
| Alameda Elementary School | Primary |
| Annex Elementary School | Primary |
| Cairo Elementary School | Primary |
| Four Rivers Community School | Primary |
| May Roberts Elementary School | Primary |
| Ontario High School | High |
| Ontario Middle School | Middle |
| Pioneer Elementary School | Primary |
Levels: Primary, Middle, High, Other
Ontario, Oregon Private Schools
Levels: Elementary School, Secondary School, Other - mixed grades
Regular Schools
| Name | Level |
|---|---|
| St. Peter Catholic School | Elementary |
| Treasure Valley Christian School | Elementary |
Levels: Elementary School, Secondary School, Other - mixed grades
