For the 2026 school year, there are 4 public high schools serving 787 students in Fremont County, ID.
The top-ranked public high schools in Fremont County, ID are South Fremont High School and North Fremont Jr/sr High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Fremont 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 43% (versus the 58% statewide average). High schools in Fremont County have an average ranking of 2/10, which is in the bottom 50% of Idaho public high schools.
Fremont County, ID public high school have a Graduation Rate of 90%, which is more than the Idaho average of 80%.
The school with highest graduation rate is South Fremont 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 22% 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 Fremont County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
South Fremont High School
(Math: 30-34% | Reading: 60-64%)
Rank:
Rank:
6/
Top 50%10
855 North Bridge
Saint Anthony, ID 83445
(208) 624-3416
Saint Anthony, ID 83445
(208) 624-3416
Gr: 9-12 | 455 students Student-teacher ratio: 18:1 Minority enrollment: 23%
Rank: #22.
North Fremont Jr/sr High School
(Math: 25-29% | Reading: 30-34%)
Rank:
Rank:
2/
Bottom 50%10
3581 East 1300 North
Ashton, ID 83420
(208) 652-7468
Ashton, ID 83420
(208) 652-7468
Gr: 6-12 | 316 students Student-teacher ratio: 15:1 Minority enrollment: 18%
Rank: n/an/a
Five-county Detention Center
Alternative School
423 N 2300 E
Saint Anthony, ID 83445
(208) 624-1500
Saint Anthony, ID 83445
(208) 624-1500
Gr: 5-12 | 16 students Student-teacher ratio: 16:1 Minority enrollment: 63%
Rank: n/an/a
Jcc - St Anthony
Alternative School
2220 East 600 North
Saint Anthony, ID 83445
(208) 624-3462
Saint Anthony, ID 83445
(208) 624-3462
Gr: 6-12
Fremont County Public Schools (Closed)
School
Location
Quick Facts
825 S 4th W St
Saint Anthony, ID 83445
(208) 624-3372
Saint Anthony, ID 83445
(208) 624-3372
Gr: 4-5 | 178 students Student-teacher ratio: 20:1 Minority enrollment: 24%
South Fremont Alternative High School (Closed 2013)
Alternative School
599 North 1st West
Saint Anthony, ID 83445
(208) 624-3416
Saint Anthony, ID 83445
(208) 624-3416
Gr: 9-12
South Fremont Alternative Junior High School (Closed 2010)
Alternative School
599 North 1st West
Saint Anthony, ID 83445
(208) 624-4880
Saint Anthony, ID 83445
(208) 624-4880
Gr: 7-8
Frequently Asked Questions
What are the top-ranked public high schools in Fremont County, ID?
The top-ranked public high schools in Fremont County, ID include South Fremont High School and North Fremont Jr/sr High School.
How many public high schools are located in Fremont County?
4 public high schools are located in Fremont County.
What is the racial composition of students in Fremont County?
Fremont County public high schools minority enrollment is 22% 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 Fremont County are often viewed compared to one another?
Popular comparisons of public high schools in Fremont County include: North Fremont Jr/sr High School vs. South Fremont High School