Plymouth High School

470 N 16th St
Saint Helens, OR 97051
5/
10
Bottom 50%
Serving 99 students in grades 9-12, Plymouth High School ranks in the bottom 50% of all schools in Oregon for overall test scores (math proficiency is bottom 50%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is ≤20% (which is lower than the Oregon state average of 40%). The percentage of students achieving proficiency in reading/language arts is 60-79% (which is higher than the Oregon state average of 54%).
The student:teacher ratio of 25:1 is higher than the Oregon state level of 17:1.
Minority enrollment is 31% of the student body (majority Hispanic), which is lower than the Oregon state average of 42% (majority Hispanic).

Quick Stats (2025)

  • School Type: Alternative school
  • Grades: 9-12
  • Enrollment: 99 students
  • Student:Teacher Ratio: 25:1
  • Minority Enrollment: 31%
  • : 21-39% (Btm 50% in OR)
  • : ≤20% (Top 1%)
  • : 60-79% (Top 1%)
  • : ≤20% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), OR Dept. of Education

Top Rankings

Plymouth High School ranks among the top 20% of public schools in Oregon for:

School Overview

Plymouth High School's student population of 99 students has grown by 57% over five school years.
The teacher population of 4 teachers has declined by 20% over five school years.
Grades Offered
Grades 9-12
(offers virtual instruction)
Total Students
99 students
This chart displays total students of Plymouth High School by year, with the latest 2022-23 school year data.
Gender %
This chart displays gender of Plymouth High School
Total Classroom Teachers
4 teachers
This chart displays the total teachers of Plymouth High School by year, with the latest 2022-23 school year data.
Students by Grade
This chart displays the students of Plymouth High School by grade.

School Rankings

The diversity score of Plymouth High School is 0.49, which is less than the diversity score at state average of 0.60. The school's diversity has stayed relatively flat over five school years.
This School
State Level (OR)
(18-19)
≤20%
40%
This chart displays the percentage of students that scored at or above 'proficient' levels in Math of Plymouth High School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in Oregon by year, with the latest 2018-19 school year data.
(18-19)
60-79%
54%
This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Plymouth High School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Oregon by year, with the latest 2018-19 school year data.
≤20%
30%
Student : Teacher Ratio
25:1
17:1
This chart displays the student teacher ratio of Plymouth High School and the public school average student teacher ratio of Oregon by year, with the latest 2022-23 school year data.
American Indian
3%
1%
This chart displays the percentage of American Indian students in Plymouth High School and percentage of American Indian public school students in Oregon by year, with the latest 2022-23 school year data.
Asian
n/a
4%
This chart displays the percentage of Asian students in Plymouth High School and the percentage of Asian public school students in Oregon by year, with the latest 2017-18 school year data.
Hispanic
15%
26%
This chart displays the percentage of Hispanic students in Plymouth High School and the percentage of Hispanic public school students in Oregon by year, with the latest 2022-23 school year data.
Black
2%
3%
This chart displays the percentage of Black students in Plymouth High School and the percentage of Black public school students in Oregon by year, with the latest 2022-23 school year data.
White
69%
58%
This chart displays the percentage of White students in Plymouth High School and the percentage of White public school students in Oregon by year, with the latest 2022-23 school year data.
Hawaiian
1%
1%
This chart displays the percentage of Hawaiian students in Plymouth High School and the percentage of Hawaiian public school students in Oregon by year, with the latest 2013-14 school year data.
Two or more races
10%
7%
This chart displays the percentage of students of two or more races in Plymouth High School and the percentage of public school students of two or more races in Oregon by year, with the latest 2022-23 school year data.
All Ethnic Groups
This chart displays the percentage breakdown of students of all ethnic groups in Plymouth High School.
This chart displays the percentage breakdown of public school students of all ethnic groups in Oregon.
0.49
This chart displays the diversity score of Plymouth High School and the public school average diversity score of Oregon by year, with the latest 2022-23 school year data.
21-39%
81%
This chart displays graduation rate of Plymouth High School and public school graduation rate of Oregon by year, with the latest 2021-22 school year data.
Eligible for Free Lunch
66%
51%
This chart displays the percentage of students who is eligible for free lunch in Plymouth High School and the percentage of public school students who is eligible for free lunch in Oregon by year, with the latest 2022-23 school year data.
Eligible for Reduced Lunch
7%
2%
This chart displays the percentage of students who is eligible for reduced lunch in Plymouth High School and the percentage of public school students who is eligible for reduced lunch in Oregon by year, with the latest 2022-23 school year data.
Source: National Center for Education Statistics (NCES), OR Dept. of Education

Frequently Asked Questions

What percent of students have achieved state testing proficiency in math and reading?
≤20% of students have achieved math proficiency (compared to the 40% OR state average), while 60-79% of students have achieved reading proficiency (compared to the 54% OR state average).
What is the graduation rate of Plymouth High School?
The graduation rate of Plymouth High School is 21-39%, which is lower than the Oregon state average of 81%.
How many students attend Plymouth High School?
99 students attend Plymouth High School.
What is the racial composition of the student body?
69% of Plymouth High School students are White, 15% of students are Hispanic, 10% of students are Two or more races, 3% of students are American Indian, 2% of students are Black, and 1% of students are Hawaiian.
What is the student:teacher ratio of Plymouth High School?
Plymouth High School has a student ration of 25:1, which is higher than the Oregon state average of 17:1.
What grades does Plymouth High School offer ?
Plymouth High School offers enrollment in grades 9-12 (offers virtual instruction).
What school district is Plymouth High School part of?
Plymouth High School is part of St Helens SD 502 School District.

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Quick Stats (2025)

  • School Type: Alternative school
  • Grades: 9-12
  • Enrollment: 99 students
  • Student:Teacher Ratio: 25:1
  • Minority Enrollment: 31%
  • : 21-39% (Btm 50%)
  • : ≤20% (Top 1%)
  • : 60-79% (Top 1%)
  • : ≤20% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), OR Dept. of Education

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