Marsh Valley High School
Public
High Grades 9–12 B-School Grade
Part of Marsh Valley Joint School District 21
12655 South Old Highway 91, Arimo, ID 83214 · (208) 254-3711
Community ratings
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Academic performance
Math proficiency27%
State average 39.6%
Reading / language arts62%
State average 54%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
303Students enrolled
16:1Student–teacher ratio
22%Free / reduced lunch
RuralSetting
Regular SchoolSchool type
Enrollment by grade
Grade 983
Grade 1072
Grade 1174
Grade 1274
Students
White · 94%286
Hispanic · 4%11
American Indian/Alaska Native · 1%4
Black · 0%1
Native Hawaiian/Pacific Islander · 0%1
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
402’20
417’21
405’22
380’23
303’24
Location
12655 South Old Highway 91 Arimo
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.