Enrollment
1,536
Oregon · 2024-25 NCES data
High school (grades 9-12) · Happy Valley, OR
Adrienne C. Nelson High School
Federal NCES profile for Adrienne C. Nelson High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 43/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 410883001898
👥 S:T ratio 0
📚 AP courses 55
🌟 Gifted program 70
📋 Attendance 47
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Adrienne C. Nelson High School earns 43/100 on the Resource Investment Index, with class sizes larger than 97% of Oregon schools. It is also one of the largest schools in Oregon.
- #5 of 8
- public schools in Happy Valley · Resource Index
- 43
- Resource Index · Typical
- 30.1:1
- large classes for Oregon
- 20.4%
- free-lunch eligible
Adrienne C. Nelson High School has class sizes larger than 97% of Oregon schools. Computed live against every Oregon school reporting to NCES.
By Resource Investment Index, Adrienne C. Nelson High School ranks #5 of 8 public schools in Happy Valley, OR.
School address
District: North Clackamas Sd 12 · Oregon
NCES ID 410883001898 Verify on NCES CCD record →
Teachers (FTE)
51.0
Federal CCD staff survey
Students per teacher
30.1:1
vs 17.6:1 Oregon avg
+71% vs state
Free-lunch eligible
20.4%
vs 52.8% Oregon avg
-61% vs state
Student-teacher ratio in context
How Adrienne C. Nelson High School compares with Oregon and U.S. medians
What stands out at Adrienne C. Nelson High School
Adrienne C. Nelson High School is a large high school in Happy Valley, Oregon, enrolling 1,536 students.
Class loads run heavy: 30.1:1 is larger than about 97% of Oregon schools and 71% above the 17.6:1 state mean, so each teacher carries more students than is typical.
Comparatively few students face economic hardship here, 20.4% free-meal eligibility runs 61% below the Oregon average.
By headcount it is one of the larger campuses in Oregon, bigger than 97% of state schools at 1,536 students.
Its Resource Investment Index sits near the middle of the pack among 1,273 scored Oregon schools.
Among 38 similarly sized, similarly resourced-need Oregon schools statewide, it ranks #2, a top-tier result once campus size and economic need are matched.
Its student body is led by White (49%) and Asian (22%), more mixed than most schools in the state (diversity index 68/100).
On the academic-pipeline side it reports 11 Advanced Placement courses.
Attendance runs somewhat below the norm, with 21.2% of students chronically absent per the 2021-22 civil-rights collection.
Among Happy Valley's high schools, it stands alongside Clackamas Middle College (305 students): Adrienne C. Nelson High School is larger than that campus by headcount and runs leaner classes (30.1:1 vs 43.6:1).
North Clackamas Sd 12 also operates Clackamas High School (1,280 students) and Happy Valley Middle School (1,158 students) alongside Adrienne C. Nelson 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 Adrienne C. Nelson High School compares
Adrienne C. Nelson 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 | 30.1:1 | ▲ 71% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 20.4% | ▼ 61% | 52.8% | 51.7% |
| Enrollment | 1,536 | top 3% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
30.1:1
Leaner classes than 2% of US schools, heavier class loads than most.
1,536
Bigger than 96% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
20.4%
free-lunch eligible
- 61% below the Oregon average of 52.8%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
30.1:1
students per teacher
- 71% above state mean
Top 97% in Oregon - lower ratio than 3% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
21.2%
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
$14,929
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
16
in-school suspensions + 41 out-of-school
Suspension rate: 1.0 per 100 students. Combined in-school and out-of-school rate: 3.7 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 48.9%
Asian 21.7%
Hispanic or Latino 14.8%
Two or More 9.4%
African American 4.7%
American Indian / Alaska Native 0.4%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 48.9% of enrollment.
Student-body diversity index 68.1/100
Simpson diversity index - at 68.1, Adrienne C. Nelson High School is more mixed than the Oregon school average of 47.1.
Programs
AP courses offered 11
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for North Clackamas Sd 12, which includes Adrienne C. Nelson High School.
$14,929
Per student
-17%
vs Oregon
Avg $18,086
-10%
vs U.S.
Avg $16,593
Revenue mix
Local 46.9%
State 45.8%
Federal 7.4%
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 Adrienne C. Nelson High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Clackamas High School | Similar size | Similar economic need | Lower S:T ratio |
| Happy Valley Middle School | Similar size | Similar economic need | Lower S:T ratio |
| Putnam High School | Smaller | Higher economic need | Lower S:T ratio |
| Rock Creek Middle School | Smaller | Similar economic need | Lower S:T ratio |
| Milwaukie High School | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Adrienne C. Nelson High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,280
- Students per teacher
- 26.1:1
- Resource Index
- 24/100
- Enrollment
- 1,158
- Students per teacher
- 24.6:1
- Resource Index
- 39/100
- Enrollment
- 1,060
- Students per teacher
- 24.1:1
- Resource Index
- 25/100
- Enrollment
- 889
- Students per teacher
- 19.8:1
- Resource Index
- 38/100
- Enrollment
- 874
- Students per teacher
- 19:1
- Resource Index
- 31/100
Similar high schools in Happy Valley
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 (~1,536 students)
Next steps
Verify locally before acting on Adrienne C. Nelson High School's federal record.
- Compare Adrienne C. Nelson High School against another school. Compare schools
- North Clackamas Sd 12'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 Adrienne C. Nelson High School
How many students attend Adrienne C. Nelson High School?
Adrienne C. Nelson High School has 1,536 students enrolled. It is a high school in Happy Valley, OR.
What is the student-teacher ratio at Adrienne C. Nelson High School?
The student-teacher ratio at Adrienne C. Nelson High School is 30.1:1, which is 71% higher than the Oregon average of 17.6:1 and 92% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Adrienne C. Nelson High School?
20.4% of students at Adrienne C. Nelson High School are eligible for free lunch, compared to the Oregon average of 52.8%.
What is the racial and ethnic makeup of Adrienne C. Nelson High School?
The largest demographic group at Adrienne C. Nelson High School is White at 48.9% of enrollment, in Happy Valley, OR. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 68.1/100.
What is the Resource Investment Index for Adrienne C. Nelson High School?
Adrienne C. Nelson High School has a Resource Investment Index of 43/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Adrienne C. Nelson High School rank among public schools in Happy Valley?
By Resource Investment Index, Adrienne C. Nelson High School ranks #5 of 8 public schools in Happy Valley, 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 Happy Valley on the city page.
Is Adrienne C. Nelson High School a good school?
Adrienne C. Nelson High School earns 43/100 on the Resource Investment Index, with class sizes larger than 97% of Oregon schools. It is also one of the largest schools in Oregon. 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 North Clackamas Sd 12?
Besides Adrienne C. Nelson High School, North Clackamas Sd 12 also operates Clackamas High School (1,280 students), Happy Valley Middle School (1,158 students), and Putnam High School (1,060 students). See the North Clackamas Sd 12 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.