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 2025 school year, there is 1 public school serving 86 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 42%), and reading proficiency score of 20% (versus the 55% statewide average).
Minority enrollment is 44% of the student body (majority Hispanic), which is more than the Idaho public school average of 27% (majority Hispanic).
Overview
This School District
This State (ID)
# Schools
1 School
808 Schools
# Students
86 Students
315,693 Students
# Teachers
9 Teachers
17,770 Teachers
Student : Teacher Ratio
10:1
10:1
District Rank
Canyon-Owyhee School Service Agency (COSSA) School District, which is ranked within the bottom 50% of all 172 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 20-29% has decreased from 40-49% over five school years.
Overall District Rank
#168 out of 173 school districts
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
≤20%
42%
Reading/Language Arts Test Scores (% Proficient)
≤20%
55%
Science Test Scores (% Proficient)
≤20%
41%
Graduation Rate
20-29%
80%
Students by Ethnicity:
Diversity Score
0.51
0.43
# American Indian Students
n/a
3,431 Students
% American Indian Students
n/a
1%
# Asian Students
n/a
3,430 Students
% Asian Students
n/a
1%
# Hispanic Students
37 Students
62,724 Students
% Hispanic Students
43%
20%
# Black Students
n/a
3,729 Students
% Black Students
n/a
1%
# White Students
48 Students
230,541 Students
% White Students
56%
73%
# Hawaiian Students
n/a
1,059 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
1 Student
10,792 Students
% of Two or more races Students
1%
4%
Students by Grade:
# Students in PK Grade:
-
4,108
# Students in K Grade:
-
20,575
# Students in 1st Grade:
-
22,594
# Students in 2nd Grade:
-
23,529
# Students in 3rd Grade:
-
23,643
# Students in 4th Grade:
-
23,790
# Students in 5th Grade:
-
24,041
# Students in 6th Grade:
-
24,172
# Students in 7th Grade:
3
24,606
# Students in 8th Grade:
9
24,908
# Students in 9th Grade:
24
25,461
# Students in 10th Grade:
22
25,794
# Students in 11th Grade:
11
24,843
# Students in 12th Grade:
17
23,629
# Ungraded Students:
-
-
District Revenue and Spending
The revenue/student of $18,837 is higher than the state median of $10,185. The school district revenue/student has grown by 51% over four school years.
The school district's spending/student of $17,756 is higher than the state median of $9,364. The school district spending/student has grown by 51% over four school years.
Total Revenue
$2 MM
$3,215 MM
Spending
$2 MM
$2,956 MM
Revenue / Student
$18,837
$10,185
Spending / Student
$17,756
$9,364
Best Canyon-Owyhee School Service Agency (COSSA) School District Public Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Cossa Academy
Alternative School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
1/
Bottom 50%10
109 Penny Lane
Wilder, ID 83676
(208) 482-7904
Wilder, ID 83676
(208) 482-7904
Grades: 7-12
| 86 students
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 86 students.
What is the rank of Canyon-Owyhee School Service Agency (COSSA) School District?
Canyon-Owyhee School Service Agency (COSSA) School District is ranked #166 out of 172 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?
56% of Canyon-Owyhee School Service Agency (COSSA) School District students are White, 43% of students are Hispanic, and 1% 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 10:1, 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 $17,756 is higher than the state median of $9,364. The school district spending/student has grown by 51% over four school years.
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