Enrollment
416
Oregon · 2024-25 NCES data
Elementary school (grades K-5) · Scappoose, OR
Otto Petersen Elementary School
Federal NCES profile for Otto Petersen Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataElementary school (grades K-5)NCES 411098000169
👥 S:T ratio 21
🌟 Gifted program 70
🎓 Counselors 17
📋 Attendance 35
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Otto Petersen Elementary School earns 36/100 on the Resource Investment Index, with class sizes larger than 76% of Oregon schools.
- #1 of 5
- public schools in Scappoose · Resource Index
- 36
- Resource Index · Typical
- 19.8:1
- large classes for Oregon
- 26.7%
- free-lunch eligible
Otto Petersen Elementary School has class sizes larger than 76% of Oregon schools. Computed live against every Oregon school reporting to NCES.
By Resource Investment Index, Otto Petersen Elementary School ranks #1 of 5 public schools in Scappoose, OR.
School address
District: Scappoose Sd 1j · Oregon
NCES ID 411098000169 Verify on NCES CCD record →
Teachers (FTE)
21.0
Federal CCD staff survey
Students per teacher
19.8:1
vs 17.6:1 Oregon avg
+12% vs state
Free-lunch eligible
26.7%
vs 52.8% Oregon avg
-49% vs state
Student-teacher ratio in context
How Otto Petersen Elementary School compares with Oregon and U.S. medians
What stands out at Otto Petersen Elementary School
Otto Petersen Elementary School is a mid-sized elementary school in Scappoose, Oregon, enrolling 416 students.
Class loads run somewhat heavier than typical: 19.8:1 puts it in the larger third of Oregon schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 26.7% of students eligible for free meals.
Enrollment of 416 puts it in the larger third of Oregon schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,273 scored Oregon schools.
Against 199 statewide peers matched on enrollment and economic need, it ranks mid-pack at #119.
Its student body is led by White (74%) and Hispanic or Latino (13%) (diversity index 43/100).
Counselor access is stretched at roughly 416 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 26.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Scappoose Sd 1j spends $13,485 per pupil, 25% below the Oregon average, a leaner-resourced district than most.
Among Scappoose's elementary schools, it stands alongside Grant Watts Elementary School (382 students): Otto Petersen Elementary School is larger than that campus by headcount and runs leaner classes (19.8:1 vs 21.2:1).
Scappoose Sd 1j also operates Scappoose High School (709 students) and Grant Watts Elementary School (382 students) alongside Otto Petersen Elementary 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 Otto Petersen Elementary School compares
Otto Petersen Elementary 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 | 19.8:1 | ▲ 12% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 26.7% | ▼ 49% | 52.8% | 51.7% |
| Enrollment | 416 | top 35% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
19.8:1
Leaner classes than 17% of US schools, heavier class loads than most.
416
Bigger than 50% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
26.7%
free-lunch eligible
- 49% below the Oregon average of 52.8%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
19.8:1
students per teacher
- 12% above state mean
Top 76% in Oregon - lower ratio than 24% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
26.0%
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
$13,485
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 416 students, the combined health-and-guidance staffing load for this school.
Discipline context
14
in-school suspensions + 10 out-of-school
Suspension rate: 3.4 per 100 students. Combined in-school and out-of-school rate: 5.8 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 73.6%
Hispanic or Latino 12.5%
Two or More 11.3%
Asian 1.2%
American Indian / Alaska Native 0.7%
Native Hawaiian / Pacific Islander 0.5%
African American 0.2%
Largest group: White at 73.6% of enrollment.
Student-body diversity index 43.0/100
Simpson diversity index - at 43.0, Otto Petersen Elementary School is less mixed than the Oregon school average of 47.1.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Scappoose Sd 1j, which includes Otto Petersen Elementary School.
$13,485
Per student
-25%
vs Oregon
Avg $18,086
-19%
vs U.S.
Avg $16,593
Revenue mix
Local 41.1%
State 50.3%
Federal 8.6%
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 Otto Petersen Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Scappoose High School | Larger | Similar economic need | Similar S:T ratio |
| Grant Watts Elementary School | Similar size | Similar economic need | Similar S:T ratio |
| Scappoose Middle School | Smaller | Similar economic need | Similar S:T ratio |
| Sauvie Island School | Smaller | Similar economic need | Lower S:T ratio |
| Warren Elementary School | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Otto Petersen Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 709
- Students per teacher
- 19.7:1
- Resource Index
- 34/100
- Enrollment
- 382
- Students per teacher
- 21.2:1
- Resource Index
- 25/100
- Enrollment
- 307
- Students per teacher
- 19.2:1
- Resource Index
- 36/100
- Enrollment
- 212
- Students per teacher
- 16.3:1
- Resource Index
- 43/100
- Enrollment
- 109
- Students per teacher
- 10.9:1
- Resource Index
- 36/100
Similar elementary schools in Scappoose
1 comparable elementary schools (grades K-5) serving the same city.
Similar elementary 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 (~416 students)
Similar student-teacher ratio (~19.8:1)
Next steps
Verify locally before acting on Otto Petersen Elementary School's federal record.
- Compare Otto Petersen Elementary School against another school. Compare schools
- Scappoose Sd 1j'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 Otto Petersen Elementary School
How many students attend Otto Petersen Elementary School?
Otto Petersen Elementary School has 416 students enrolled. It is an elementary school in Scappoose, OR.
What is the student-teacher ratio at Otto Petersen Elementary School?
The student-teacher ratio at Otto Petersen Elementary School is 19.8:1, which is 12% higher than the Oregon average of 17.6:1 and 26% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Otto Petersen Elementary School?
26.7% of students at Otto Petersen Elementary School are eligible for free lunch, compared to the Oregon average of 52.8%.
What is the racial and ethnic makeup of Otto Petersen Elementary School?
The largest demographic group at Otto Petersen Elementary School is White at 73.6% of enrollment, in Scappoose, OR.
What is the Resource Investment Index for Otto Petersen Elementary School?
Otto Petersen Elementary School has a Resource Investment Index of 36/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Otto Petersen Elementary School rank among public schools in Scappoose?
By Resource Investment Index, Otto Petersen Elementary School ranks #1 of 5 public schools in Scappoose, 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 Scappoose on the city page.
Is Otto Petersen Elementary School a good school?
Otto Petersen Elementary School earns 36/100 on the Resource Investment Index, with class sizes larger than 76% of Oregon schools. 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 Scappoose Sd 1j?
Besides Otto Petersen Elementary School, Scappoose Sd 1j also operates Scappoose High School (709 students), Grant Watts Elementary School (382 students), and Scappoose Middle School (307 students). See the Scappoose Sd 1j 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.