Plymouth High School
St Helens, OR · St Helens SD 502 · Grades 9-12
234th of 236 Oregon high schools statewide · better than 1%▼ Declining
Plymouth High School ranking
SchoolRow ranks Plymouth High School 234th of 236 Oregon high schools for 2024–25, based on Oregon Statewide Assessments (OSAS) 2024–25 English and Math results — better than 1% of high schools statewide. Its statewide percentile went from 38th in 2019 to 1th in 2025 — declining.
Plymouth High School test scores
Percent meeting or exceeding the state standard, Oregon Statewide Assessments (OSAS) 2024–25
Plymouth High School students
Racial and ethnic breakdown of 99 students (2023–24, NCES) — and how it has shifted since 2013
| Group | Trend | 2013 | 2023 | Change |
|---|---|---|---|---|
| White | 86.6% | 68.7% | ▼ 17.9 pts | |
| Hispanic | 4.9% | 14.1% | ▲ 9.2 pts | |
| Two or more races | 2.4% | 9.1% | ▲ 6.7 pts | |
| Black | 0.0% | 2.0% | ▲ 2.0 pts | |
| American Indian | 4.9% | 2.0% | ▼ 2.9 pts | |
| Pacific Islander | 1.2% | 1.0% | ▼ 0.2 pts |
Homes near Plymouth High School
Typical home value $427K in zip 97051 as of 2026-05 · trend since 2000
Data Provided by Zillow Group
High schools near Plymouth High School
Closest same-level schools, with 2024–25 state rank
- 5St Helens High SchoolSt Helens SD 502 · 1.5 mi away135th of 236
ELA 36% · Math 14% - 3Scappoose High SchoolScappoose SD 1J · 8.6 mi away170th of 236
ELA 21% · Math 19% - 7Rainier Jr/Sr High SchoolRainier SD 13 · 17.7 mi away74th of 236
ELA 48% · Math 21% - 3Roosevelt High SchoolPortland SD 1J · 19.4 mi away179th of 236
ELA 29% · Math 9% - 6Liberty High SchoolHillsboro SD 1J · 21.3 mi away106th of 236
ELA 43% · Math 14% - 8Westview High SchoolBeaverton SD 48J · 21.9 mi away48th of 236
ELA 48% · Math 31% - 3Jefferson High SchoolPortland SD 1J · 22.2 mi away180th of 236
ELA 22% · Math 15% - 5Banks High SchoolBanks SD 13 · 22.4 mi away133rd of 236
ELA 38% · Math 13%
Frequently asked questions
What school district is Plymouth High School in?
Plymouth High School is part of the St Helens SD 502 district in St Helens, Oregon.
Is Plymouth High School a good school?
SchoolRow ranks Plymouth High School 234th of 236 Oregon high schools (better than 1% statewide) based on 2024–25 test results (Oregon Statewide Assessments (OSAS) 2024–25).
What is the racial makeup of Plymouth High School?
White 69%, Hispanic 14%, Two or more races 9%, Black 2% (99 students, 2023–24).
How much do homes near Plymouth High School cost?
The typical home value in zip code 97051 is $427K as of 2026-05 (Zillow ZHVI).
Sources: state education department data (Oregon Statewide Assessments (OSAS) 2024–25, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.