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Mountainside High School
A

Mountainside High School

PublicHighGrades 9–12

12500 SW 175th Ave, Beaverton, OR 97007 · (503) 356-3500 · Part of Beaverton School District 48J

Beaverton’s School Grade A better than 90% of Oregon school districts

Directions
Photo: Tedder · CC BY-SA 4.0 · Wikimedia Commons
Students
1,741
Students per teacher
21:1
Free or reduced lunch
50%
Setting
Rural
Grades
9–12
The gist

What stands out about Mountainside High School

  • Its own letter, A: reading and math results 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 students per teacher

On the path

Where Beaverton kids come from and go next. The whole path →

6–87 middle schoolsDepends on your address
9–12Mountainside High SchoolYou are here

Test scores

2020–21
Math proficiency75%
State average 30.9%
Reading / language arts75%
State average 47%

Its own letter, A, places these results among Oregon’s 753 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

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 since 2020–21.

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.

Parents talk

Questions and answers about Mountainside High School from Beaverton families.

Other schools in Beaverton School District 48J

The district →
Aloha-Huber Park School
Elementary · Grades PK–8 · Beaverton
B+
901 students16:1
Beaver Acres Elementary School
Elementary · Grades PK–5 · Beaverton
B+
778 students15:1
McKinley Elementary School
Elementary · Grades PK–5 · Beaverton
A
666 students15:1
Vose Elementary School
Elementary · Grades PK–5 · Beaverton
C
666 students14:1
William Walker Elementary School
Elementary · Grades PK–5 · Portland
B+
523 students13:1
Hazeldale Elementary School
Elementary · Grades PK–5 · Aloha
A−
477 students16:1

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against Oregon’s other public schools; Beaverton’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.