Ontario High School
| Name | Ontario High School |
| Grades | Class 09 to Class 12 |
| Address | 1115 W Idaho Ave |
| City | Ontario |
| School District | Ontario SD 8C |
| County | Malheur County |
| Zipcode | 97914-2146 |
| Phone No. | (541)889-5309 |
| State | Oregon |
| Town | Distant |
| Students | 686 |
| Teachers | 39 |
| Student Teacher Ratio | 17 students per teacher |
| Charter School | No |
| Magnet School | N/A |
Ontario High School is located at 1115 W Idaho Ave in Ontario city of Malheur County county in Oregon. This school comes under Ontario SD 8C. You can call them at (541)889-5309 for more details. This is not a magnet school. Total six hundred eighty six students from class 09 to class 12 study in this school who are taught by thirty nine teachers. This is not a charter school. The student teacher ratio of this school is 17.