A+
Mountainside High School
PublicHighGrades 9–12
12500 SW 175th Ave, Beaverton, OR 97007 · (503) 356-3500 · Part of Beaverton School District 48J
Students
1,741
Students per teacher
21:1
Free or reduced lunch
50%
Setting
Rural
Grades
9–12
What stands out about Mountainside High School
- School Grade A+: near the top of Oregon’s public schools
- Math proficiency 44 pts above the state
- Reading / language arts 28 pts above the state
- Larger classes: 21:1 students per teacher
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency75%
State average 30.9%
Reading / language arts75%
State average 47%
Location
Directions ↗
12500 SW 175th Ave, Beaverton
Students
Enrollment by grade
Grade 9431
Grade 10428
Grade 11456
Grade 12426
Enrollment over time
1,754’20
1,765’21
1,758’22
1,722’23
1,741’24
About steady.
Who goes here
White 56%Hispanic 15%Asian 13%Two or more races 11%Black 3%Native Hawaiian/Pacific Islander <1%American Indian/Alaska Native <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention Mountainside High School.
Other schools in Beaverton School District 48J
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.