For the 2026 school year, there are 4 public high schools serving 500 students in Boise County, ID.
The top-ranked public high schools in Boise County, ID are Idaho City High School, Horseshoe Bend Middle/sr High School and Garden Valley School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Boise County, ID public high schools have an average math proficiency score of 32% (versus the Idaho public high school average of 37%), and reading proficiency score of 48% (versus the 58% statewide average). High schools in Boise County have an average ranking of 5/10, which is in the bottom 50% of Idaho public high schools.
Boise County, ID public high school have a Graduation Rate of 80%, which is equal to the Idaho average of 80%.
The school with highest graduation rate is Garden Valley School, with ≥80% graduation rate. Read more about public school graduation rate statistics in Idaho or national school graduation rate statistics.
Minority enrollment is 10% 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 Boise County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Idaho City High School
(Math: 30-34% | Reading: 60-64%)
Rank:
Rank:
6/
Top 50%10
100 Centerville Road
Idaho City, ID 83631
(208) 392-4183
Idaho City, ID 83631
(208) 392-4183
Gr: 7-12 | 126 students Student-teacher ratio: 11:1 Minority enrollment: 9%
Rank: #22.
Horseshoe Bend Middle/sr High School
(Math: 30-34% | Reading: 45-49%)
Rank:
Rank:
4/
Bottom 50%10
398 School Drive
Horseshoe Bend, ID 83629
(208) 793-2225
Horseshoe Bend, ID 83629
(208) 793-2225
Gr: 6-12 | 86 students Student-teacher ratio: 8:1 Minority enrollment: 17%
Rank: #33.
Garden Valley School
(Math: 30-34% | Reading: 40-44%)
Rank:
Rank:
3/
Bottom 50%10
1053 Banks Lowman Road
Garden Valley, ID 83622
(208) 462-3756
Garden Valley, ID 83622
(208) 462-3756
Gr: PK-12 | 220 students Student-teacher ratio: 14:1 Minority enrollment: 9%
Rank: n/an/a
Horseshoe Bend Alternative School
Alternative School
398 School Drive
Horseshoe Bend, ID 83629
(208) 793-2225
Horseshoe Bend, ID 83629
(208) 793-2225
Gr: 5-12
Frequently Asked Questions
What are the top-ranked public high schools in Boise County, ID?
The top-ranked public high schools in Boise County, ID include Idaho City High School, Horseshoe Bend Middle/sr High School and Garden Valley School.
How many public high schools are located in Boise County?
3 public high schools are located in Boise County.
What is the racial composition of students in Boise County?
Boise County public high schools minority enrollment is 10% of the student body (majority Hispanic), which is less than the Idaho public high schools average of 26% (majority Hispanic).
Which public high schools in Boise County are often viewed compared to one another?
Popular comparisons of public high schools in Boise County include: Idaho City High School vs. Garden Valley School, Horseshoe Bend Middle/sr High School vs. Idaho City High School, Garden Valley School vs. Idaho City High School
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