For the 2025-26 school year, there are 2 public preschools serving 277 students in Custer County, ID.
The top ranked public preschools in Custer County, ID are Challis Elementary School and Mackay Elementary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Custer County, ID public preschools have an average math proficiency score of 31% (versus the Idaho public pre school average of 44%), and reading proficiency score of 47% (versus the 53% statewide average). Pre schools in Custer County have an average ranking of 3/10, which is in the bottom 50% of Idaho public pre schools.
Minority enrollment is 12% of the student body (majority Hispanic), which is less than the Idaho public preschool average of 28% (majority Hispanic).
Best Public Preschools in Custer County (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Challis Elementary School
(Math: 35-39% | Reading: 50-54%)
Rank:
Rank:
5/
Bottom 50%10
950 Bluff Avenue
Challis, ID 83226
(208) 879-2439
Challis, ID 83226
(208) 879-2439
Gr: PK-6 | 166 students Student-teacher ratio: 14:1 Minority enrollment: 11%
Rank: #22.
Mackay Elementary School
(Math: 20-24% | Reading: 40-44%)
Rank:
Rank:
2/
Bottom 50%10
400 East Spruce Street
Mackay, ID 83251
(208) 588-2834
Mackay, ID 83251
(208) 588-2834
Gr: PK-6 | 111 students Student-teacher ratio: 14:1 Minority enrollment: 14%
Custer County Public Schools (Closed)
School
Location
Quick Facts
Po Box 304
Challis, ID 83226
(208) 879-5063
Challis, ID 83226
(208) 879-5063
Gr: 6-8 | 129 students Student-teacher ratio: 16:1 Minority enrollment: 9%
Hc 67 - Box 586
Clayton, ID 83227
(208) 838-2244
Clayton, ID 83227
(208) 838-2244
Gr: K-5 | 7 students Student-teacher ratio: 7:1
Frequently Asked Questions
What are the top ranked public preschools in Custer County, ID?
The top ranked public preschools in Custer County, ID include Challis Elementary School and Mackay Elementary School.
How many public preschools are located in Custer County?
2 public preschools are located in Custer County.
What is the racial composition of students in Custer County?
Custer County public preschools minority enrollment is 12% of the student body (majority Hispanic), which is less than the Idaho public preschools average of 28% (majority Hispanic).
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