High · Idaho

Cossa Academy

Alternative

Cossa Academy, a public high school in Wilder, Idaho: grades 7–12, 79 students, 8.0 students per teacher (2024–25 school year). Part of Canyon-Owyhee School Service Agency (Cossa).

Size and class size

Compared with high schools of the same state and the whole country. Students per teacher counts every full-time-equivalent teacher, not the size of each class.

Students: 79
Teachers (FTE): 9.9
Students per teacher: 8.0
Grades: 7–12; High

Fewer students per teacher than 92% of high schools in Idaho

Median 15.4 · 204 schools compared

Fewer students per teacher than 90% of high schools in the US

Median 14.4 · 20,809 schools compared

Smaller than 83% of high schools in Idaho

Median 216 · 207 schools compared

Smaller than 84% of high schools in the US

Median 414 · 22,064 schools compared

State test results

Share of students scoring proficient or above on Idaho's tests, grades 3–8, 2024–25 school year.

Reading and writing

Idaho: 52%

Not published: too few students tested.

ISAT; proficient means Levels 3-4

Math

Idaho: 44%

Not published: too few students tested.

ISAT; proficient means Levels 3-4

Each state sets its own test and its own bar for “proficient”, so results compare only within a state. Results also follow family income closely: a school's share reflects its students' circumstances as much as its teaching.

Data sourced from the Education Data Center (www.eddatacenter.org), a partner project of the National Center for Civic Innovation, Inc. State Assessment Data Repository version 3.1. More information about these assessments over time, including participation and test changes, is available from the Education Data Center.

What it offers

Grades: High · Grades 7–12
Type: District school · Alternative
Area: Distant rural area
Run by: Canyon-Owyhee School Service Agency (Cossa)

Which school a home is assigned to is decided by the district's attendance zones; check with Canyon-Owyhee School Service Agency (Cossa).

Location

Address: 109 Penny Lane, Wilder, ID 83676
Phone: (208)482-6074
City or town: Wilder
County: Canyon County

Quality of life in Wilder Schools in Wilder

Nearby high schools

The closest public high schools by straight-line distance. Attendance zones are set by each district.

School	Grades	Students	Students / teacher
Wilder High School	9–12	131	14.0	0.2 mi
Homedale High School	9–12	400	19.3	4.6 mi
Notus Jr/Sr High School	7–12	157	10.2	6.6 mi
Parma High School	9–12	305	15.7	7.6 mi
Adrian High SchoolFree meals for all	9–12	83	9.0	9.2 mi
Elevate AcademyCharterAlternative	6–12	493	11.9	10.7 mi

Sources

Public schools and school districts (National Center for Education Statistics · U.S. Census Bureau), 2024–25 school year. NCES Common Core of Data and EDGE public school geocodes; U.S. Census Bureau, Annual Survey of School System Finances and cartographic boundary files (places).
State Assessment Data Repository (Education Data Center), 2024–25 school year. Data sourced from the Education Data Center (www.eddatacenter.org), a partner project of the National Center for Civic Innovation, Inc. State Assessment Data Repository v3.1.

Analisa does not rate schools. Figures are what a school has (students, teachers, programs), placed among schools of the same level; state test results are compared only within a state.

NCES 160015200304