For the 2026 school year, there are 3 public high schools serving 564 students in Valley County, ID. The top-ranked public high schools in Valley County, ID are Mccall-donnelly High School, Cascade Jr/sr High School and Heartland High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Valley County, ID public high schools have an average math proficiency score of 59% (versus the Idaho public high school average of 37%), and reading proficiency score of 76% (versus the 58% statewide average). High schools in Valley County have an average ranking of 10/10, which is in the top 5% of Idaho public high schools.
Valley County, ID public high school have a Graduation Rate of 83%, which is more than the Idaho average of 80%.
The school with highest graduation rate is Mccall-donnelly 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 11% of the student body (majority Hispanic), which is less than the Idaho public high school average of 26% (majority Hispanic).
Best Public High Schools in Valley County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Mccall-donnelly High School
(Math: 55-59% | Reading: 80-84%)
Rank:
Rank:
10/
Top 10%10
401 North Mission Street
Mccall, ID 83638
(208) 634-2218
Mccall, ID 83638
(208) 634-2218
Gr: 9-12 | 447 students Student-teacher ratio: 15:1 Minority enrollment: 14%
Rank: #22.
Cascade Jr/sr High School
(Math: 60-69% | Reading: 60-69%)
Rank:
Rank:
9/
Top 20%10
209 School Street
Cascade, ID 83611
(208) 382-4227
Cascade, ID 83611
(208) 382-4227
Gr: 6-12 | 112 students Student-teacher ratio: 10:1 Minority enrollment: 6%
Rank: #33.
Heartland High School
Alternative School
(Math: <50% | Reading: <50% )
Rank:
Rank:
6/
Top 50%10
124 Idaho Street
Mccall, ID 83638
(208) 634-3686
Mccall, ID 83638
(208) 634-3686
Gr: 9-12 | 29 students Student-teacher ratio: 7:1 Minority enrollment: 21%
Frequently Asked Questions
What are the top-ranked public high schools in Valley County, ID?
The top-ranked public high schools in Valley County, ID include Mccall-donnelly High School, Cascade Jr/sr High School and Heartland High School. Valley County has one of the highest concentrations of top-ranked public schools in Idaho.
How many public high schools are located in Valley County?
3 public high schools are located in Valley County.
What is the racial composition of students in Valley County?
Valley County public high schools minority enrollment is 11% of the student body (majority Hispanic), which is less than the Idaho public high schools average of 26% (majority Hispanic).
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