B−
Prospect Mountain High School
PublicHighGrades 9–13
242 Suncook Valley Rd., Alton, NH 03809 · (603) 875-3800 · Part of Prospect Mountain High School Joint Maintenance Agreement District
Students
402
Students per teacher
11:1
Free or reduced lunch
21%
Setting
Rural
Grades
9–13
What stands out about Prospect Mountain High School
- Math proficiency 6 pts below the state
- Reading / language arts 10 pts above the state
- Small classes: 11:1 students per teacher
- Enrollment down 8.6% since 2020
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency32%
State average 37.8%
Reading / language arts62%
State average 51.9%
Location
Directions ↗
242 Suncook Valley Rd., Alton
Students
Enrollment by grade
Grade 993
Grade 10112
Grade 11103
Grade 1289
Grade 135
Enrollment over time
440’20
413’21
387’22
405’23
402’24
Down 8.6% since 2020.
Who goes here
White 93%Hispanic 3%Two or more races 2%Black <1%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 Prospect Mountain High School.
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.