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Public School Review - Established 2003

Best Franklin County Public High Schools (2026)

For the 2026 school year, there are 3 public high schools serving 1,038 students in Franklin County, ID.
The top-ranked public high schools in Franklin County, ID are West Side Senior High School, Franklin County High School and Preston High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Franklin County, ID public high schools have an average math proficiency score of 37% (versus the Idaho public high school average of 37%), and reading proficiency score of 58% (versus the 58% statewide average). High schools in Franklin County have an average ranking of 8/10, which is in the top 30% of Idaho public high schools.
Franklin 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 West Side 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 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 Franklin County (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
West Side Senior High School
(Math: 55-59% | Reading: 60-64%)
Rank:
9/
10
Top 20%
775 North West Side Highway
Dayton, ID 83232
(208) 747-3411
Gr: 9-12 | 248 students Student-teacher ratio: 18:1 Minority enrollment: 7%
Rank: #22.
Franklin County High School
Alternative School
(Math: <50% | Reading: <50% )
Rank:
6/
10
Top 50%
11 S 100 W
Preston, ID 83263
(208) 852-2272
Gr: 9-12 | 43 students Minority enrollment: 16%
Rank: #33.
Preston High School
(Math: 30-34% | Reading: 55-59%)
Rank:
5/
10
Bottom 50%
151 East 2nd South
Preston, ID 83263
(208) 852-0280
Gr: 9-12 | 679 students Student-teacher ratio: 19:1 Minority enrollment: 14%

Frequently Asked Questions

What are the top-ranked public high schools in Franklin County, ID?
The top-ranked public high schools in Franklin County, ID include West Side Senior High School, Franklin County High School and Preston High School.
How many public high schools are located in Franklin County?
3 public high schools are located in Franklin County.
What is the racial composition of students in Franklin County?
Franklin 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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