Average
#708 of 1,226 schools in OR
Mountainside High School
High School · Beaverton Sd 48j · Beaverton, OR
A Beaverton Sd 48j high school where students score 4 points below what's typical for similar communities.
12500 SW 175th Ave, Beaverton, OR 97007
- Math 25% vs OR 32% (2025)
- Reading 61% vs OR 43% (2025)
- 91.0% 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
View breakdown
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Students at Mountainside High School score 43% proficient, which is below what's typical for similar communities (expected: 47%).
2025 OSAS proficiency
Most recent published year. School vs. OR average.
Trend
↓ DecliningProficiency has fallen 32 points since 2020, to 43% in 2025, across a 8-year record (2018–2025).
Show all 6 years by subject
Multi-year averages used by the rating model: math 59% (multi-year average, 2018-2025) · reading/ELA 75% (multi-year average, 2018-2025)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 12 test records from OR state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
22.5%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Mountainside High School sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Portland map →
Getting around & local context
- Walk 23Car-Dependent
- Transit 0Minimal Transit
- Bike 40Somewhat Bikeable
- City Safety: High3,047/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Beaverton), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$116,667
Median home value
$582,700
Median rent
$1,792/mo
College educated
53.7%
Homeownership
74.8%
Poverty rate
5.8%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 97007; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Southwest Christian SchoolPrivate · tuition | 5.4private | PK–12 | 2.0 mi | 298 | Compare → |
| Westgate Christian SchoolPrivate · tuition | 8.3private | PK–12 | 2.5 mi | 129 | Compare → |
| Southridge High SchoolEnrollment path unverified | 6.1 | 9–12 | 2.8 mi | 1,450 | Compare → |
| Islamic School of Met/oregon Islamic AcademyPrivate · tuition | 8.3private | PK–12 | 3.2 mi | 186 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
Beaverton Sd 48j
- Schools in district
- 56
- Rank in district
- #47 of 56
- District spending per student
- $15,998NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 6.8%Census SAIPE · 2024
Mountainside High School is listed in Beaverton SD 48J; a district label does not verify attendance for an address.
About Mountainside High School
Mountainside High School is a public high school in Beaverton, OR, part of Beaverton Sd 48j, serving approximately 1,722 students in grades 9th-12th with a 22.1:1 student-teacher ratio. It holds a MySchoolScout rating of 5.9 out of 10 and ranks #708 of 1,226 schools in OR. State assessment records show 59% math proficiency (multi-year average, 2018-2025) and 75% reading/ELA proficiency (multi-year average, 2018-2025).
Frequently asked questions
Common questions about Mountainside High School
What grades does Mountainside High School serve?
Mountainside High School serves students in grades 9th through 12th.
How many students attend Mountainside High School?
Mountainside High School has an enrollment of approximately 1,722 students.
What is the student-teacher ratio at Mountainside High School?
The student-teacher ratio at Mountainside High School is 22.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Mountainside High School rank in OR?
Mountainside High School ranks #708 of 1,226 schools in OR.
What is Mountainside High School's MySchoolScout rating?
Mountainside High School has a current MySchoolScout rating of 5.9 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Mountainside High School?
Based on loaded state assessment records, Mountainside High School has 59% math proficiency (multi-year average, 2018-2025) and 75% reading/ELA proficiency (multi-year average, 2018-2025).
Is Mountainside High School a charter school?
No, Mountainside High School is not a charter school. It is a traditional public school operated by the local school district.
Is Mountainside High School a Title I school?
No, Mountainside High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Mountainside High School?
22.5% of students at Mountainside High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 9th – 12th
- Enrollment
- 1,722
- Student-Teacher Ratio
- 22.1:1
- Teachers (FTE)
- 78
- Type
- regular
- Setting
- Fringe Rural
- County
- Washington County
- Chronic Absenteeism (SY 2022-23)
- 39.6%
- Phone
- (503) 356-3500
- 4-Year Graduation
- 91.0%
- Area population (ZIP 97007)
- 48,081
- Area average commute
- 26.2 min
- Area median age
- 41
Official sources & links
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2025 OSAS · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2025 OSAS · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 97007; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2018-2025; directory SY 2023–24
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