Enrollment
65
Oregon · 2024-25 NCES data
High school (grades 9-12) · St Helens, OR
Plymouth High School
Federal NCES profile for Plymouth High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 411172001599
👥 S:T ratio 35
📚 AP courses 10
🌟 Gifted program 30
🎓 Counselors 87
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Plymouth High School earns 32/100 on the Resource Investment Index, with class sizes near the Oregon median.
- #3 of 7
- public schools in St Helens · Resource Index
- 32
- Resource Index · Typical
- 16.3:1
- students per teacher
- 51.8%
- free-lunch eligible
Plymouth High School has class sizes near the Oregon median. Computed live against every Oregon school reporting to NCES.
By Resource Investment Index, Plymouth High School ranks #3 of 7 public schools in St Helens, OR.
School address
District: St Helens Sd 502 · Oregon
NCES ID 411172001599 Verify on NCES CCD record →
Teachers (FTE)
4.0
Federal CCD staff survey
Students per teacher
16.3:1
vs 17.6:1 Oregon avg
-7% vs state
Free-lunch eligible
51.8%
vs 52.8% Oregon avg
-2% vs state
Student-teacher ratio in context
How Plymouth High School compares with Oregon and U.S. medians
What stands out at Plymouth High School
Plymouth High School is a higher-need, small high school in St Helens, Oregon, enrolling 65 students.
Class sizes run a bit leaner than typical: 16.3:1 puts it in the smaller third of Oregon schools by student-teacher ratio.
Its free-meal eligibility rate of 51.8% lands close to the Oregon typical range, neither a high- nor low-need campus by this measure.
This is a small campus: fewer students than 94% of Oregon schools, with 65 enrolled.
Its Resource Investment Index sits near the middle of the pack among 1,273 scored Oregon schools.
Its student body is led by White (67%) and Hispanic or Latino (17%) (diversity index 51/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage is strong, about 65 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 93.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding St Helens Sd 502 spends $13,483 per pupil, 25% below the Oregon average, a leaner-resourced district than most.
Its district draws 15.3% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among St Helens's high schools, it stands alongside St Helens High School (823 students): Plymouth High School is smaller than that campus by headcount and runs leaner classes (16.3:1 vs 21.1:1).
St Helens Sd 502 also operates St Helens High School (823 students) and St Helens Middle School (563 students) alongside Plymouth High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Plymouth High School compares
Plymouth High School on the metrics families compare, against Oregon and U.S. means.
| Metric | This school | vs Oregon | Oregon avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.3:1 | ▼ 7% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 51.8% | ▼ 2% | 52.8% | 51.7% |
| Enrollment | 65 | top 94% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.3:1
Leaner classes than 36% of US schools, a middle-of-the-pack class size.
65
Bigger than 7% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
51.8%
free-lunch eligible
- 2% below the Oregon average of 52.8%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
16.3:1
students per teacher
- 7% below state mean
Top 40% in Oregon - lower ratio than 60% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
93.8%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$13,483
per pupil, district-wide
- below Oregon avg of $18,086
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 65 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 5 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 7.7 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 67.2%
Hispanic or Latino 17.2%
Two or More 7.8%
African American 3.1%
American Indian / Alaska Native 3.1%
Native Hawaiian / Pacific Islander 1.6%
Largest group: White at 67.2% of enrollment.
Student-body diversity index 51.1/100
Simpson diversity index - at 51.1, Plymouth High School is more mixed than the Oregon school average of 47.1.
Programs
AP program Not offered
Funding & spending
District-wide per-pupil expenditure for St Helens Sd 502, which includes Plymouth High School.
$13,483
Per student
-25%
vs Oregon
Avg $18,086
-19%
vs U.S.
Avg $16,593
Revenue mix
Local 30.0%
State 54.6%
Federal 15.3%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Plymouth High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| St Helens High School | Larger | Lower economic need | Higher S:T ratio |
| St Helens Middle School | Larger | Lower economic need | Similar S:T ratio |
| Mcbride Elementary School | Larger | Similar economic need | Similar S:T ratio |
| Lewis & Clark Elementary School | Larger | Similar economic need | Higher S:T ratio |
| Columbia City School | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Plymouth High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 823
- Students per teacher
- 21.1:1
- Resource Index
- 33/100
- Enrollment
- 563
- Students per teacher
- 17.6:1
- Resource Index
- 27/100
- Enrollment
- 452
- Students per teacher
- 16.7:1
- Resource Index
- 31/100
- Enrollment
- 426
- Students per teacher
- 19.4:1
- Resource Index
- 20/100
- Enrollment
- 214
- Students per teacher
- 16.5:1
- Resource Index
- 37/100
Similar high schools in St Helens
1 comparable high schools (grades 9-12) serving the same city.
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Oregon, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~65 students)
Similar student-teacher ratio (~16.3:1)
Next steps
Verify locally before acting on Plymouth High School's federal record.
- Compare Plymouth High School against another school. Compare schools
- St Helens Sd 502's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Plymouth High School
How many students attend Plymouth High School?
Plymouth High School has 65 students enrolled. It is a high school in St Helens, OR.
What is the student-teacher ratio at Plymouth High School?
The student-teacher ratio at Plymouth High School is 16.3:1, which is 7% lower than the Oregon average of 17.6:1 and 4% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Plymouth High School?
51.8% of students at Plymouth High School are eligible for free lunch, compared to the Oregon average of 52.8%.
What is the racial and ethnic makeup of Plymouth High School?
The largest demographic group at Plymouth High School is White at 67.2% of enrollment, in St Helens, OR. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 51.1/100.
What is the Resource Investment Index for Plymouth High School?
Plymouth High School has a Resource Investment Index of 32/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Plymouth High School rank among public schools in St Helens?
By Resource Investment Index, Plymouth High School ranks #3 of 7 public schools in St Helens, OR. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in St Helens on the city page.
Is Plymouth High School a good school?
Plymouth High School earns 32/100 on the Resource Investment Index, with class sizes near the Oregon median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in St Helens Sd 502?
Besides Plymouth High School, St Helens Sd 502 also operates St Helens High School (823 students), St Helens Middle School (563 students), and Mcbride Elementary School (452 students). See the St Helens Sd 502 district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.