Prospect Mountain High School
Public
High Grades 9–13
Part of Prospect Mountain JMA School District
242 Suncook Valley Rd., Alton, NH 03809 · (603) 875-3800
Community ratings
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Academic performance
Math proficiency32%
State average 37.8%
Reading / language arts62%
State average 51.9%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
402Students enrolled
11:1Student–teacher ratio
21%Free / reduced lunch
RuralSetting
Regular SchoolSchool type
Enrollment by grade
Grade 993
Grade 10112
Grade 11103
Grade 1289
Grade 135
Students
White · 93%374
Hispanic · 3%12
Two or more races · 2%10
Black · 1%3
Asian · 1%3
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
440’20
413’21
387’22
405’23
402’24
Location
242 Suncook Valley Rd. Alton
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.