Oskaloosa JR-SR High School

Oskaloosa JR-SR High School, a small 9-12 campus in Oskaloosa, Kansas, run under Oskaloosa Public Schools, instructs 247 students, covering grades 7 through 12. That puts it 40% below the typical public school in Kansas, which averages around 410 students.

Oskaloosa JR-SR High School is one of 2 schools operated by Oskaloosa Public Schools, a district that enrolls 502 students overall.

In terms of who attends, Oskaloosa JR-SR High School lists that 93% of students identify as White, making the school strongly White-majority. Beyond that, the school records 4% multiracial. Compared to Jefferson County overall, the school's racial mix sits in roughly the same range.

On the resource side, The school currently runs with 27 full-time-equivalent teachers, for a student-teacher ratio near 9.3:1. The state averages around 11.9:1, so this campus is tighter than the state norm typical. About 53% of enrolled students meet the income threshold for free or reduced-price lunch, often used as a Title I proxy. Set against Jefferson County (around 39%), the school's rate is north of typical.

On a demographically-adjusted basis, Oskaloosa JR-SR High School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 37.0%; this one delivers 28.0%.

In the area at large, community-level numbers for Jefferson County indicate median household earnings sit near $81,278, about 25% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 4%. Oskaloosa JR-SR High School is one of 14 public schools in Jefferson County (combined enrollment of about 3,123 students).

Oskaloosa Elem is the nearest neighboring public school, about 0.0 miles from this campus. Within ten miles, there are 5 other public schools, a sparser pattern than typical urban areas. On composite proficiency, Oskaloosa JR-SR High School comes 5th of 9 in the immediate cluster, beneath the nearby-schools average of 29.7%.

The school occupies a rural site.

Five-year trend. Oskaloosa JR-SR High School's enrollment has shrank 3% since 2018, when it stood at 255 (now 247). Class-load math has narrowed: from 13.3:1 in 2018 to 9.3:1 in 2025.

Within the allk12 community for this school, the page collects discussion, questions, and updates around open house dates, ride-share offers, and field-trip permission slips. Posting is open to anyone connected to the school.