Twin Rivers Charter School

Twin Rivers Charter School is one of the one-room-style senior highs in Eugene, Oregon, operated by Eugene SD 4J, with 55 students on its rolls from grades 8 through 12. Compared to the state average of about 630 students per school, that is 91% below typical.

Across the 36 schools in Eugene SD 4J (15,712 students total), Twin Rivers Charter School accounts for its share of the district's footprint.

On the student-mix side, Twin Rivers Charter School lists that White students make up the majority at 65%. Other groups include 18% Hispanic, 13% multiracial. By comparison, Lane County as a whole is about 81% White, so the school skews noticeably less White than its surroundings.

On the income-and-resources front, Twin Rivers Charter School lists 2 full-time-equivalent teachers, putting the student-to-teacher ratio at about 22.1:1. Statewide, the average ratio sits near 19.8:1, putting Twin Rivers Charter School higher than the state norm the norm.

In the area at large, census data for Lane County shows the typical household earns roughly $71,544 per year, 34% of adults hold a bachelor's degree or higher, and roughly 8% of residents live below the federal poverty line. In all, Lane County runs 117 public schools (combined enrollment of about 42,240 students), of which Twin Rivers Charter School is one.

The closest other public school is Edison Elementary School, roughly 1.2 miles away. Within five miles, there are 8 other public schools.

Twin Rivers Charter School operates from an urban location. As a public charter, Twin Rivers Charter School runs on public funding but with greater curricular and operational autonomy than a typical district school.

Over the past 7-year window. Looking back 7 years, enrollment at Twin Rivers Charter School has edged up 62%, going from 34 students in 2018 to 55 in 2025. The Hispanic share of enrollment increased from 3% to 18% over that span. The student-to-teacher ratio loosened from 10.3:1 in 2018 to 22.1:1 today.

On this page, posts here usually surface around fundraisers, lost-and-found posts, and report-card season. Anyone with firsthand experience at this school can post or comment.