Enrollment
65
High
DISTRICT 444 · STATE 630
SCHOOL COMMUNITY·ST HELENS SD 502·NCES 411172001599
Plymouth High School
470 N 16th St, St Helens, OR 97051 · (503) 366-7200 · Columbia County
GRADES 09–12HIGH31-TOWNTITLE IALTERNATIVE EDUCATION SCHOOL65 STUDENTS
·
allk12 Grade
Not graded
Schools serving specialized populations are not graded, because state test results are not a fair comparison for them. How grades work
Student : Teacher
19.6:1
3 FTE teachers
DISTRICT 20.5:1 · STATE 19.8:1
Free / Reduced Lunch
74%
48 students
DISTRICT 68% · STATE 76%
Community
0
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 10 | 14 | 22% |
| Grade 11 | 17 | 26% |
| Grade 12 | 34 | 52% |
Student demographics
51%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 39% · STATE 59% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
OSAS 2023-24 . % ProficientEnglish Language Arts
10.0%
own-school result
State assessment results for this school reflect a specialized student population. The figures above are the school's own reported scores; they are not directly comparable to state averages or to general-enrollment schools, so the usual state-average comparison line is suppressed here.
Source: OSAS. All students, all grades. See all years and grades →
BeatsExpectations
Not computed for this schoolBeatsExpectations is not computed for specialized-population schools (schools for the deaf or blind, therapeutic and behavioral-health placements, juvenile-justice and alternative-education settings, and similar). State ELA/Math proficiency rates are not a comparable metric for these populations, so a demographically-adjusted residual against general-enrollment peers would be misleading. About the methodology →
Where Plymouth High School ranks
Among high schools| Measure | This school | In Oregon | In Columbia County |
|---|---|---|---|
| Enrollment ranked largest first | 65 | #228 of 257 | #6 of 6 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
65
+1 (+2%) vs 2020
+12% since 2010-11, when it was 58
Student : Teacher
19.6:1
was 16.0:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 65 | 3.3 | 19.6:1 | 74% (48) |
| 2023-24 | 99 | 3.7 | 27.1:1 | 66% (65) |
| 2022-23 | 85 | 4.7 | 17.9:1 | 59% (50) |
| 2020-21 | 64 | 4 | 16.0:1 | N/A |
| 2017-18 | 76 | 4.5 | 16.9:1 | 54% (41) |
| 2015-16 | 79 | 4 | 19.8:1 | 67% (53) |
| 2010-11 | 58 | 3 | 19.3:1 | 50% (29) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Plymouth High School.
Since 2017-18: students down 14% (76 to 65); teachers down 26% (4.5 to 3.3).
About Plymouth High School
At 470 N 16th St in St Helens, Oregon, Plymouth High School operates as a very small high school. Federal data show 65 students enrolled in grades 9 through 12 in 2024-25. That compares with an average of about 630 students for high schools in Oregon.
Plymouth High School reports to St Helens SD 502, which has 8 schools and 2,856 students.
The largest group at Plymouth High School is White students, at 66%. Other groups include 17% Hispanic, 8% multiracial, 3% Black, and 3% Native American. By comparison, Columbia County residents are about 85% White. Measured by the diversity index, the student body scores 51%.
There are 3.3 full-time-equivalent teachers at the school, a ratio of 19.6:1. The ratio is within a point of the 19.8:1 average for high schools in Oregon. Of all students at Plymouth High School, 74% are eligible for free or reduced-price lunch. That is 12 points above the 62% average for public schools in Columbia County.
The county, Columbia County, is where the school is located. Median household income comes to about $87,458, a bachelor's degree or higher is held by about 20% of adults, and the poverty rate is about 6%. The county has 23 public schools and about 6,932 students.
St. Helens Virtual Academy is less than a tenth of a mile away, making it the nearest public school. There are at least 8 more public schools inside five miles.
Locale: Town: Fringe. In NCES terms, the school is in a town close to an urbanized area.
The student count changed little between 2020-21 (64) and 2024-25 (65). There were more students per teacher in 2024-25 (19.6:1) than in 2020-21 (16.0:1).
You can use this page to share news and ask questions about open houses, carpools, and field trips. You can also rate the school on this page.
Columbia County at a glance
View full county profilePopulation
53,493
Census ACS
Median income
$87,458
Household, ACS
Bachelor's+
20%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
23
6,932 students
Quick facts
Related schools
Other schools in St Helens SD 502
- St Helens High SchoolHigh · 823 students
- St Helens Middle SchoolMiddle · 563 students
- McBride Elementary SchoolElementary · 452 students
- Lewis & Clark Elementary SchoolElementary · 426 students
- Columbia City SchoolElementary · 214 students
- St Helens Arthur AcademyElementary · 160 students
Other schools in St Helens
- St Helens High SchoolHigh · 823 students
- St Helens Middle SchoolMiddle · 563 students
- McBride Elementary SchoolElementary · 452 students
- Lewis & Clark Elementary SchoolElementary · 426 students
- St Helens Arthur AcademyElementary · 160 students
- St. Helens Virtual AcademyCombined · 153 students
Other Plymouth High schools
4 other US public schools in 5 states are named Plymouth High. Plymouth High School is the 5th largest of the 5.
- Plymouth High SchoolCANTON, MI · 1,816 students
- Plymouth High SchoolPlymouth, IN · 1,034 students
- Plymouth HighPlymouth, WI · 735 students
- Plymouth High SchoolPlymouth, OH · 118 students
Nearby schools
- St. Helens Virtual Academy0.0 mi · 153
- St Helens Middle School0.2 mi · 563
- Lewis & Clark Elementary School0.4 mi · 426
- McBride Elementary School1.3 mi · 452
- St Helens High School1.5 mi · 823
- Columbia City School1.8 mi · 214
Frequently asked questions
About Plymouth High SchoolWhat is the total enrollment at Plymouth High School?
Plymouth High School enrolls approximately 65 students in grades 09-12.
Is Plymouth High School an elementary, middle, or high school?
Plymouth High School is a high school covering grades 09-12.
How many teachers does Plymouth High School have?
Plymouth High School employs 3 FTE teachers, for a student-to-teacher ratio of 19.6:1.
What is the racial breakdown of students at Plymouth High School?
At Plymouth High School, the student body is approximately 66% White, 17% Hispanic, 3% Black, 8% Two or more.
Who oversees Plymouth High School?
Plymouth High School is overseen by St Helens SD 502 in Columbia County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.