- Enrollment
- 1,809
- Students per teacher
- 22.1:1
- Resource Index
- 27/100
Elementary school (grades K-5) · West Linn, OR
Three Rivers Charter School
Federal NCES profile for Three Rivers Charter School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 65/100.
2024-25 NCES dataElementary school (grades K-5)NCES 411317001437Charter school
👥 S:T ratio 38
🌟 Gifted program 70
🎓 Counselors 78
📋 Attendance 75
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Three Rivers Charter School earns 65/100 on the Resource Investment Index, with class sizes near the Oregon median.
- #1 of 9
- public schools in West Linn · Resource Index
- 65
- Resource Index · Higher
- 15.4:1
- students per teacher
- 108
- students enrolled
Three Rivers Charter School has class sizes near the Oregon median. Computed live against every Oregon school reporting to NCES.
By Resource Investment Index, Three Rivers Charter School ranks #1 of 9 public schools in West Linn, OR.
School address
District: West Linn-Wilsonville Sd 3j · Oregon
NCES ID 411317001437 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+1 students YoY
Three Rivers Charter School held near 110 students from 2022-23 to 2023-24 (+1 headcount).
Teacher FTE held 7.0 → 7.3 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+1 students YoY 411317001437 · West Linn, OR Elementary · SMALL · CHARTER
108 enr · 15.4:1 · RII 65
Nearest enrollment peer: West Linn High School (1,809 students)
Three Rivers Charter School held near 110 students from 2022-23 to 2023-24 (+1 headcount). Teacher FTE held 7.0 → 7.3 across the same CCD years. Read with this school → · District book → · Oregon schools → · Find another →
Three Rivers Charter School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- West Linn High
West Linn High School
1,809 students
- Wilsonville Hi
Wilsonville High School
1,258 students
- Rosemont Ridge 699
Rosemont Ridge Middle School
699 students
- Boeckman Creek 488
Boeckman Creek Primary School
488 students
- Lowrie Primary 482
Lowrie Primary School
482 students
- This school 108
Three Rivers Charter School
108 students
What this shows Three Rivers Charter School reports 108 students on the CCD universe file.
How Three Rivers Charter School compares
Three Rivers Charter School held steady on CCD headcount: ratios and free-lunch share vs Oregon and U.S. means.
| Metric | This school | vs Oregon | Oregon avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.4:1 | ▼ 13% | 17.6:1 | 15.7:1 |
| Enrollment | 108 | top 89% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.4:1
Leaner classes than 43% of US schools, a middle-of-the-pack class size.
108
Bigger than 11% of US schools by enrollment, a small campus.
Equity indicators methodology
Staffing depth
15.4:1
students per teacher
- 13% below state mean
Top 31% in Oregon - lower ratio than 69% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
10.2%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$15,867
per pupil, district-wide
- below Oregon avg of $21,075
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 108 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 60.2%
Two or More 15.7%
Asian 13.0%
Hispanic or Latino 10.2%
African American 0.9%
Largest group: White at 60.2% of enrollment.
Student-body diversity index 58.6/100
Simpson diversity index - at 58.6, Three Rivers Charter School is more mixed than the Oregon school average of 47.1.
Programs
Gifted & talented Yes
District finance for West Linn-Wilsonville Sd 3j reports $15,867 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Three Rivers Charter School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| West Linn High School | Larger | No free-lunch data | Higher S:T ratio |
| Wilsonville High School | Larger | No free-lunch data | Higher S:T ratio |
| Rosemont Ridge Middle School | Larger | No free-lunch data | Higher S:T ratio |
| Boeckman Creek Primary School | Larger | No free-lunch data | Similar S:T ratio |
| Lowrie Primary School | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Three Rivers Charter School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,258
- Students per teacher
- 19.7:1
- Resource Index
- 32/100
- Enrollment
- 699
- Students per teacher
- 19.4:1
- Resource Index
- 38/100
- Enrollment
- 488
- Students per teacher
- 16.8:1
- Resource Index
- 26/100
- Enrollment
- 482
- Students per teacher
- 19.3:1
- Resource Index
- 32/100
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~108 students)
Frequently asked questions about Three Rivers Charter School
How many students attend Three Rivers Charter School?
Three Rivers Charter School has 108 students enrolled. It is an elementary school in West Linn, OR. CCD year-over-year: 109 (2022-23) → 110 (2023-24), nearly flat (+1).
What is the student-teacher ratio at Three Rivers Charter School?
The student-teacher ratio at Three Rivers Charter School is 15.4:1, which is 13% lower than the Oregon average of 17.6:1 and 2% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Three Rivers Charter School?
The largest demographic group at Three Rivers Charter School is White at 60.2% of enrollment, in West Linn, OR. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 58.6/100.
What is the Resource Investment Index for Three Rivers Charter School?
Three Rivers Charter School has a Resource Investment Index of 65/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Three Rivers Charter School rank among public schools in West Linn?
By Resource Investment Index, Three Rivers Charter School ranks #1 of 9 public schools in West Linn, 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 West Linn on the city page.
What other schools are in West Linn-Wilsonville Sd 3j?
Besides Three Rivers Charter School, West Linn-Wilsonville Sd 3j also operates West Linn High School (1,809 students), Wilsonville High School (1,258 students), and Rosemont Ridge Middle School (699 students). See the West Linn-Wilsonville Sd 3j district page for the complete list.