Mountainside High School
| Name | Mountainside High School |
| Grades | Class 09 to Class 12 |
| Address | 12500 SW 175th Ave |
| City | Beaverton |
| School District | Beaverton SD 48J |
| County | Washington County |
| Zipcode | 97007-8507 |
| Phone No. | (503)356-3500 |
| State | Oregon |
| Rural | Fringe |
| Students | 1754 |
| Teachers | 83 |
| Student Teacher Ratio | 21.1 students per teacher |
| Charter School | No |
| Magnet School | N/A |
Mountainside High School is located at 12500 SW 175th Ave in Beaverton city of Washington County county in Oregon. This school comes under Beaverton SD 48J. You can call them at (503)356-3500 for more details. This is not a magnet school. Total one thousand seven hundred fifty four students from class 09 to class 12 study in this school who are taught by eighty three teachers. This is not a charter school. The student teacher ratio of this school is 21.1.