Mountainside
High School
About Us
Mountainside High School is the Beaverton School District's 6th comprehensive high school. It opened in the fall of 2017 with freshmen and sophomore classes and added a new freshman class each year, making the first graduation in 2020. Mountainside is able to serve up to 2,200 students in grades 9-12.
Mountainside High School
12500 SW 175th Avenue
Beaverton, OR 97007
Main Office: 503-356-3500
Attendance: 503-356-3508
Fax: 503-356-3505
School Hours: 8:55am - 3:40pm
Office Hours: 7:45am - 4pm
