Top Rankings
Canyon-Owyhee School Service Agency (COSSA) School District ranks among the top 20% of public school district in Idaho for:
Category
Attribute
Diversity
Most diverse schools (Top 1%)
Student Attention
Lowest student-teacher ratio (Top 1%)
For the 2026 school year, there is 1 public school serving 79 students in Canyon-Owyhee School Service Agency (COSSA) School District. This district's average testing ranking is 1/10, which is in the bottom 50% of public schools in Idaho.
Public School in Canyon-Owyhee School Service Agency (COSSA) School District have an average math proficiency score of 20% (versus the Idaho public school average of 41%), and reading proficiency score of 20% (versus the 55% statewide average).
Minority enrollment is 46% of the student body (majority Hispanic), which is more than the Idaho public school average of 28% (majority Hispanic).
Overview
This School District
This State (ID)
# Schools
1 School
800 Schools
# Students
79 Students
315,433 Students
# Teachers
10 Teachers
17,503 Teachers
Student-Teacher Ratio
8:1
8:1
Student By Grade
District Rank
Canyon-Owyhee School Service Agency (COSSA) School District, which is ranked within the bottom 50% of all 170 school districts in Idaho (based off of combined math and reading proficiency testing data) for the 2021-2022 school year.
The school district's graduation rate of 65% has increased from 20-29% over five school years.
Overall District Rank
#172 out of 172 school districts
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
(21-22)≤20%
42%
Reading/Language Arts Test Scores (% Proficient)
≤20%
55%
Science Test Scores (% Proficient)
≤20%
41%
Graduation Rate
65%
80%
Students by Ethnicity:
Diversity Score
0.52
0.44
% American Indian
n/a
1%
% Asian
n/a
1%
% Hispanic
43%
21%
% Black
n/a
1%
% White
54%
72%
% Hawaiian
n/a
n/a
% Two or more races
3%
4%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $20,506 is higher than the state median of $10,194. The school district revenue/student has grown by 84% over four school years.
The school district's spending/student of $19,329 is higher than the state median of $9,371. The school district spending/student has grown by 92% over four school years.
Total Revenue
$2 MM
$3,215 MM
Spending
$2 MM
$2,956 MM
Revenue / Student
$20,506
$10,194
Spending / Student
$19,329
$9,371
Best Canyon-Owyhee School Service Agency (COSSA) School District Public Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Cossa Academy
Alternative School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
1/
Bottom 50%10
109 Penny Lane
Wilder, ID 83676
(208) 482-6074
Wilder, ID 83676
(208) 482-6074
Gr: 7-12 | 79 students Student-teacher ratio: 8:1 Minority enrollment: 46%
Frequently Asked Questions
How many schools belong to Canyon-Owyhee School Service Agency (COSSA) School District?
Canyon-Owyhee School Service Agency (COSSA) School District manages 1 public schools serving 79 students.
What is the rank of Canyon-Owyhee School Service Agency (COSSA) School District?
Canyon-Owyhee School Service Agency (COSSA) School District is ranked #164 out of 170 school districts in Idaho (bottom 50%) based off of combined math and reading proficiency testing data for the 2021-2022 school year. This district ranks in the top 20% of Idaho school districts for: Most diverse schools (Top 1%) and Lowest student-teacher ratio (Top 1%)
What is the racial composition of students in Canyon-Owyhee School Service Agency (COSSA) School District?
54% of Canyon-Owyhee School Service Agency (COSSA) School District students are White, 43% of students are Hispanic, and 3% of students are Two or more races.
What is the student/teacher ratio of Canyon-Owyhee School Service Agency (COSSA) School District?
Canyon-Owyhee School Service Agency (COSSA) School District has a student/teacher ratio of 8:1, which is lower than the Idaho state average of 18:1.
What is Canyon-Owyhee School Service Agency (COSSA) School District's spending/student ratio?
The school district's spending/student of $19,329 is higher than the state median of $9,371. The school district spending/student has grown by 92% over four school years.
Recent Articles
How Public Schools Train Staff Each Year
Learn how public schools train staff each year through professional development, safety training, technology instruction, and ongoing educational support.
What Substitute Teachers Experience in Public Schools
Discover what substitute teachers experience in public schools, including daily responsibilities, challenges, rewards, and their role in student success.
How Teachers Collaborate Across Departments in Public Schools
Learn how teachers collaborate across departments to improve student outcomes, strengthen instruction, and prepare students for real-world success.
