COSSA ACADEMY

Set in WILDER, Idaho, COSSA ACADEMY is a very small high school, operated by CANYON-OWYHEE SCHOOL SERVICE AGENCY (COSSA). It educates 79 students across grades 7 through 12. By comparison, Idaho's public schools average about 455 students each, so COSSA ACADEMY sits 83% leaner than that benchmark.

COSSA ACADEMY sits inside CANYON-OWYHEE SCHOOL SERVICE AGENCY (COSSA), the local public-school operator responsible for the campus.

Looking at the student body, COSSA ACADEMY shows that the most-represented group is White (54%), with the rest of the student body spread across multiple groups; the rest looks like 43% Hispanic, 3% multiracial. By comparison, Canyon County as a whole is about 73% White, so the school skews noticeably less White than its surroundings.

In terms of school funding signals, COSSA ACADEMY reports 10 full-time-equivalent teachers, putting the student-to-teacher ratio at about 8.0:1. That figure is tighter than the state norm's 16.0:1 average. An estimated 86% of students are eligible for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. By comparison, Canyon County runs at roughly 51%, so the school's eligibility rate is above the surrounding baseline.

Around the school, Canyon County reports that median household earnings sit near $76,488, about 23% of the adult population holds a bachelor's degree or above, and the poverty rate sits near 8%. Across Canyon County's 83 public schools (combined enrollment of about 44,048 students), COSSA ACADEMY is one campus in the mix.

The closest other public school is WILDER HIGH SCHOOL, roughly 0.2 miles away. 5 of the 8 nearest public schools sit inside a five-mile radius.

COSSA ACADEMY operates from a countryside location.

Over the past 7-year window. COSSA ACADEMY's enrollment has shrank 32% since 2018, when it stood at 116 (now 79). White enrollment moved from 66% to 54% across the same window. Class-load math has pulled in: from 10.9:1 in 2018 to 8.0:1 in 2025.

Within the allk12 community for this school, members of the COSSA ACADEMY community share and discuss pickup logistics, teacher feedback, and after-school programs. Members of the school community can share what they know.