For the 2026-27 school year, there are 6 public high schools serving 1,820 students in Cassia County, ID.
The top-ranked public high schools in Cassia County, ID are Oakley Jr/sr High School, Raft River Jr/sr High School and Declo Senior High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Cassia County, ID public high schools have an average math proficiency score of 29% (versus the Idaho public high school average of 37%), and reading proficiency score of 44% (versus the 58% statewide average). High schools in Cassia County have an average ranking of 3/10, which is in the bottom 50% of Idaho public high schools.
Cassia County, ID public high school have a Graduation Rate of 85%, which is more than the Idaho average of 80%.
The school with highest graduation rate is Declo Senior High School, with ≥95% graduation rate. Read more about public school graduation rate statistics in Idaho or national school graduation rate statistics.
Minority enrollment is 35% of the student body (majority Hispanic), which is more than the Idaho public high school average of 26% (majority Hispanic).
Best Public High Schools in Cassia County (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Oakley Jr/sr High School
(Math: 40-44% | Reading: 60-64%)
Rank:
Rank:
7/
Top 50%10
455 West Main
Oakley, ID 83346
(208) 862-3328
Oakley, ID 83346
(208) 862-3328
Gr: 7-12 | 179 students Student-teacher ratio: 13:1 Minority enrollment: 27%
Rank: #22.
Raft River Jr/sr High School
(Math: 35-39% | Reading: 50-54%)
Rank:
Rank:
5/
Bottom 50%10
55 North 100 West Trojan Drive
Malta, ID 83342
(208) 645-2220
Malta, ID 83342
(208) 645-2220
Gr: 7-12 | 154 students Student-teacher ratio: 10:1 Minority enrollment: 11%
Rank: #33.
Declo Senior High School
(Math: 30-34% | Reading: 50-54%)
Rank:
Rank:
5/
Bottom 50%10
505 East Main Street
Declo, ID 83323
(208) 654-2030
Declo, ID 83323
(208) 654-2030
Gr: 9-12 | 326 students Student-teacher ratio: 19:1 Minority enrollment: 21%
Rank: #44.
Burley Senior High School
(Math: 25% | Reading: 36%)
Rank:
Rank:
2/
Bottom 50%10
2100 Park Avenue
Burley, ID 83318
(208) 878-6606
Burley, ID 83318
(208) 878-6606
Gr: 9-12 | 1,031 students Student-teacher ratio: 20:1 Minority enrollment: 43%
Rank: #55.
Cassia Jr/sr High School
Alternative School
(Math: ≤10% | Reading: ≤10%)
Rank:
Rank:
1/
Bottom 50%10
1010 West 17th Street
Burley, ID 83318
(208) 878-6630
Burley, ID 83318
(208) 878-6630
Gr: 7-12 | 112 students Student-teacher ratio: 12:1 Minority enrollment: 73%
Rank: n/an/a
Cassia Regional Technical Center
Vocational School
1143 West 16th Street
Burley, ID 83318
(208) 878-6610
Burley, ID 83318
(208) 878-6610
Gr: 9-12
Cassia County Public Schools (Closed)
School
Location
Quick Facts
Frequently Asked Questions
What are the top-ranked public high schools in Cassia County, ID?
The top-ranked public high schools in Cassia County, ID include Oakley Jr/sr High School, Raft River Jr/sr High School and Declo Senior High School.
How many public high schools are located in Cassia County?
7 public high schools are located in Cassia County.
What is the racial composition of students in Cassia County?
Cassia County public high schools minority enrollment is 35% of the student body (majority Hispanic), which is more than the Idaho public high schools average of 26% (majority Hispanic).
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