For the 2025-26 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 (2025-26)
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 51³Ô¹ÏÍøºÚÁÏ (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: South Fremont High School vs. North Fremont Jr/sr High School, North Fremont Jr/sr High School vs. South Fremont High School
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