9 schools in Ontario
Oregon · Public K-12
| Name | Level | Grades | Enrollment |
|---|---|---|---|
| Aiken Elementary School | Elementary | KG-05 | 270 |
| Alameda Elementary School | Elementary | KG-06 | 360 |
| Annex Charter School | Elementary | KG-08 | 82 |
| Cairo Elementary School | Elementary | KG-05 | 109 |
| Four Rivers Community School | Other | KG-12 | 361 |
| May Roberts Elementary School | Elementary | KG-06 | 355 |
| Ontario High School | High | 09-12 | 656 |
| Ontario Middle School | Middle | 07-08 | 378 |
| Pioneer Elementary School | Elementary | KG-05 | 90 |