Public school · High
Mountainside High School
Beaverton SD 48J
- Grades
- 9-12
- Kind
- Public school
- District
- Beaverton SD 48J
- Address
- 12500 SW 175th Ave, Beaverton 97007
- County
- Washington
- Property taxes here
- A typical $600,000 home in Tigard pays about $6,150 a year (2025-26 rates, an estimate). Property taxes in Tigard
The figures
| Measure | Figure | School year | Source |
|---|---|---|---|
| Size | |||
| Enrollment | 1,778 students | 2025-26 | Oregon Dept. of Education, Fall Membership Report |
| Enrollment a year earlier | 1,741 students | 2024-25 | Oregon Dept. of Education, Fall Membership Report |
| Median class size | 31 students | 2024-25 | Oregon Dept. of Education, Class Size Report |
| Students per teacher | 22.4 | Calculated from enrollment and teacher FTE | |
| Attendance | |||
| Regular attenders | 68.5% (of 1,682 students) | 2024-25 | Oregon Dept. of Education, Regular Attenders Report |
| Mobile students (state definition) | 8.7% | 2025-26 | Oregon Dept. of Education, Student Mobility |
| State tests | |||
| English language arts, meeting state standard | 56.6% (85.6% took the test) | 2025-26 | Oregon Dept. of Education, state assessment results |
| Math, meeting state standard | 31.8% (80.9% took the test) | 2025-26 | Oregon Dept. of Education, state assessment results |
| Science, meeting state standard | 45.9% (76.5% took the test, below the 80% needed to compare) | 2025-26 | Oregon Dept. of Education, state assessment results |
| High school outcomes | |||
| Ninth graders on track to graduate | >95% | 2024-25 | Oregon Dept. of Education, Ninth Grade On-Track |
| Four-year graduation rate | 93.5% (of 460 students) | 2024-25 | Oregon Dept. of Education, Cohort Graduation Rate |
| Dropout rate | 0.5% | 2024-25 | Oregon Dept. of Education, Dropout Rates |
| Graduates enrolling in college within 12 months | 75.3% (of 417 students) | 2022-23 graduates | Oregon Dept. of Education, Post-Secondary Enrollment |
| Staff | |||
| Average teacher experience | 16.9 years | 2025-26 | Oregon Dept. of Education, Staff FTE Report |
| Teachers with a graduate degree | 93.8% | 2025-26 | Oregon Dept. of Education, Staff FTE Report |
| Teachers fully licensed | 100% | 2024-25 | Oregon Dept. of Education, Teacher Qualifications |
| Licensed teachers classed as inexperienced | 5.8% | 2024-25 | Oregon Dept. of Education, Teacher Qualifications |
| Counselors (full-time equivalent) | 7.0 | 2025-26 | Oregon Dept. of Education, Staff FTE Report |
| Money | |||
| Spending per student | $17,324 | 2024-25 | Oregon Dept. of Education, School Level Spending Report |
Programs
- International Baccalaureate. School states it is an authorized IB World School: MYP (grades 9-10) and DP (grades 11-12). Source: mountainside.beaverton.k12.or.us
- Dual credit / early college. Dual-credit courses listed, e.g. Statistics DC (Oregon Institute of Technology) and CS 160 (PCC-DC). Source: mountainside.beaverton.k12.or.us
- Career and technical education. Business, Computer Programming & Coding, Construction Technology, Culinary, Engineering Technology. Source: www.beaverton.k12.or.us
New-home communities it serves
Heights at Cooper Mountain (Lennar) · Scholls Heights Townhomes (West Hills Homes NW) · The Centre at The Vineyard (Risewell Homes) · The Reserve at The Vineyard (Risewell Homes) · The Residences at The Vineyard (Risewell Homes) · The Townes at The Vineyard (Risewell Homes) · Willow Ridge (Holt Homes)
From the attendance-area maps. Attendance areas change: confirm the address with the district.
Who attends: students living in this school's attendance area, set by Beaverton SD 48J. Check any address with the district's own lookup tool before you buy.
Every figure is the state's or the school's own, with its source. Explore Schools sets schools side by side.
School information here comes from the public sources shown and is for reference only. It is not a rating, ranking or recommendation of any school, and it is deemed reliable but not guaranteed. Attendance areas and enrollment rules are set by each school district and can change: verify any address, and a student's eligibility, with the district before relying on it. Neither Jen Nunnerley nor Premiere Property Group, LLC guarantees which school a home is assigned to.