- Enrollment
- 1,499
- Students per teacher
- -
- Resource Index
- 32/100
Other / mixed grade configuration · Eugene, OR
Twin Rivers Charter School
Federal NCES profile for Twin Rivers Charter School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 22/100.
2024-25 NCES dataOther / mixed grade configurationNCES 410474001848Charter school
👥 S:T ratio 27
🌟 Gifted program 30
📋 Attendance 9
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Twin Rivers Charter School earns 22/100 on the Resource Investment Index, with class sizes near the Oregon median. It is also one of the smallest schools in Oregon.
- #5 of 5
- schools in Eugene · Resource Index
- 22
- Resource Index · Lower
- 18.3:1
- students per teacher
- 55
- students enrolled
Twin Rivers Charter School has class sizes near the Oregon median. Computed live against every Oregon school reporting to NCES.
By Resource Investment Index, Twin Rivers Charter School ranks #5 of 5 schools in Eugene, OR.
School address
CCD year-over-year · 2022-23 → 2023-24
+9 students YoY
Twin Rivers Charter School grew from 49 students in 2022-23 to 58 in 2023-24 (+18.4%).
Teacher FTE added 3.0 → 4.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+9 students YoY 410474001848 · Eugene, OR Other · SMALL · CHARTER
55 enr · 18.3:1 · RII 22
Nearest enrollment peer: South Eugene High School (1,499 students)
Twin Rivers Charter School grew from 49 students in 2022-23 to 58 in 2023-24 (+18.4%). Teacher FTE added 3.0 → 4.0 across the same CCD years. Read with this school → · District book → · Oregon schools → · Find another →
Twin Rivers Charter School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- South Eugene H
South Eugene High School
1,499 students
- Sheldon High S
Sheldon High School
1,462 students
- North Eugene H
North Eugene High School
1,079 students
- Churchill High
Churchill High School
1,031 students
- Gilham Element 572
Gilham Elementary School
572 students
- This school 55
Twin Rivers Charter School
55 students
What this shows Twin Rivers Charter School reports 55 students on the CCD universe file.
How Twin Rivers Charter School compares
Twin Rivers Charter School is a growing campus on CCD: ratios and free-lunch share vs Oregon and U.S. means.
| Metric | This school | vs Oregon | Oregon avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.3:1 | ▲ 4% | 17.6:1 | 15.7:1 |
| Enrollment | 55 | top 95% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.3:1
Leaner classes than 23% of US schools, heavier class loads than most.
55
Bigger than 6% of US schools by enrollment, a small campus.
Equity indicators methodology
Staffing depth
18.3:1
students per teacher
- 4% above state mean
Top 63% in Oregon - lower ratio than 37% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
36.4%
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
$16,415
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
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 66.7%
Hispanic or Latino 18.5%
Two or More 13.0%
African American 1.9%
Largest group: White at 66.7% of enrollment.
Student-body diversity index 50.4/100
Simpson diversity index - at 50.4, Twin Rivers Charter School is more mixed than the Oregon school average of 47.1.
Programs
District finance for Eugene Sd 4j reports $16,415 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Twin Rivers Charter School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| South Eugene High School | Larger | No free-lunch data | No ratio data |
| Sheldon High School | Larger | No free-lunch data | No ratio data |
| North Eugene High School | Larger | No free-lunch data | No ratio data |
| Churchill High School | Larger | No free-lunch data | No ratio data |
| Gilham Elementary School | Larger | No free-lunch data | No ratio data |
Comparisons are relative to Twin Rivers Charter School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,462
- Students per teacher
- -
- Resource Index
- 32/100
- Enrollment
- 1,079
- Students per teacher
- -
- Resource Index
- 39/100
- Enrollment
- 1,031
- Students per teacher
- -
- Resource Index
- 39/100
- Enrollment
- 572
- Students per teacher
- -
- Resource Index
- 33/100
Similar other schools in Eugene
5 comparable other schools (grades Mixed) serving the same city.
Teach-Nw
Standard public school
655 students 54.6:1 students per teacher
Lesd Life Skills
Standard public school
170 students
Network Charter School
Standard public school
119 students 17:1 students per teacher
Crow Middle/High School
Standard public school
70 students 7:1 students per teacher
Martin Luther King Jr. Education Center
Standard public school
7 students 2.3:1 students per teacher
Nationwide other 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 (~55 students)
Frequently asked questions about Twin Rivers Charter School
How many students attend Twin Rivers Charter School?
Twin Rivers Charter School has 55 students enrolled. It is a public school in Eugene, OR. CCD year-over-year: 49 (2022-23) → 58 (2023-24), up 9.
What is the student-teacher ratio at Twin Rivers Charter School?
The student-teacher ratio at Twin Rivers Charter School is 18.3:1, which is 4% higher than the Oregon average of 17.6:1 and 17% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Twin Rivers Charter School?
The largest demographic group at Twin Rivers Charter School is White at 66.7% of enrollment, in Eugene, OR. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 50.4/100.
What is the Resource Investment Index for Twin Rivers Charter School?
Twin Rivers Charter School has a Resource Investment Index of 22/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Twin Rivers Charter School rank among schools in Eugene?
By Resource Investment Index, Twin Rivers Charter School ranks #5 of 5 schools in Eugene, OR. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Eugene on the city page.
What other schools are in Eugene Sd 4j?
Besides Twin Rivers Charter School, Eugene Sd 4j also operates South Eugene High School (1,499 students), Sheldon High School (1,462 students), and North Eugene High School (1,079 students). See the Eugene Sd 4j district page for the complete list.