For the 2025 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 33% (versus the Idaho public high school average of 38%), and reading proficiency score of 58% (versus the 58% statewide average). High schools in Franklin County have an average ranking of 7/10, which is in the top 50% of Idaho public high schools.
Franklin County, ID public high school have a Graduation Rate of 89%, which is more than the Idaho average of 79%.
The school with highest graduation rate is Preston High School, with 90-94% 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 (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
West Side Senior High School
(Math: 50-54% | Reading: 60-64%)
Rank:
Rank:
8/
Top 30%10
775 North West Side Highway
Dayton, ID 83232
(208) 747-3411
Dayton, ID 83232
(208) 747-3411
Grades: 9-12
| 261 students
Rank: #22.
Franklin County High School
Alternative School
(Math: <50% | Reading: <50% )
Rank:
Rank:
6/
Top 50%10
11 S 100 W
Preston, ID 83263
(208) 852-2272
Preston, ID 83263
(208) 852-2272
Grades: 9-12
| 54 students
Rank: #33.
Preston High School
(Math: 27% | Reading: 55-59%)
Rank:
Rank:
4/
Bottom 50%10
151 East 2nd South
Preston, ID 83263
(208) 852-0280
Preston, ID 83263
(208) 852-0280
Grades: 9-12
| 723 students
Franklin County Public Schools (Closed)
School
Location
Grades
Students
6007 East Thatcher Road
Thatcher, ID 83283
(208) 427-6346
Thatcher, ID 83283
(208) 427-6346
Grades: 1-5
| 67 students
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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