D−
Mt. Harrison High School
PublicHighGrades 9–12Alternative Education School
1431 17th Street, Heyburn, ID 83336 · (208) 436-6252 · Part of Minidoka County Joint School District 331
Students
122
Students per teacher
12:1
Free or reduced lunch
69%
Setting
Town
Grades
9–12
What stands out about Mt. Harrison High School
- School Grade D−: test results are near the bottom of the state
- Math proficiency 37 pts below the state
- Reading / language arts 42 pts below the state
- Small classes: 12:1 students per teacher
- Enrollment down 26.1% since 2020
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency2.5%
State average 39.6%
Reading / language arts12%
State average 54%
Location
Directions ↗
1431 17th Street, Heyburn
Students
Enrollment by grade
Grade 923
Grade 1022
Grade 1136
Grade 1241
Enrollment over time
165’20
189’21
129’22
138’23
122’24
Down 26.1% since 2020.
Who goes here
Hispanic 53%White 44%American Indian/Alaska Native 2%Asian <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention Mt. Harrison High School.
Other schools in Minidoka County Joint School District 331
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.