Prospect Mountain High School
🇺🇸 Official data · 2025Alton, New Hampshire 03809 · Prospect Mountain JMA School District
#53 of 89 high schools in New Hampshire
#5232 of 16,910 nationally
About Prospect Mountain High School
Prospect Mountain High School is a public high located in Alton, in the Prospect Mountain JMA School District school district of New Hampshire, United States. It caters for Grades 9–13. In 2025 it enrolled 402 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 62.2 out of 100, placing it in the top 50% of high schools in United States and 53rd of 89 ranked high schools in New Hampshire. Its strongest component is community advantage (fewer free/reduced-price lunch) (90th percentile), and its weakest is math proficiency (30th percentile).
Other published figures: enrollment 402.
There are 2 schools in Alton; Prospect Mountain High School ranks 1st of 2 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)27%
- Reading proficiency (30%)62%
- Community advantage (fewer free/reduced-price lunch) (25%)21.1%
- Students per teacher (15%)11.2
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Prospect Mountain High School by the official sources.
- Enrollment
- 402
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 21.1%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 11.2
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 62%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 27%
- Share of tested students proficient or above (all students, all grades).
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Schools near Prospect Mountain High School
Closest schools by straight-line distance, with their Success Index (US).
Alton Central School (Elem)
Alton · Public elementary · Grades PK–8
407 students · 1.8 km away
New Durham Elementary School
New Durham · Public elementary · Grades PK–6
144 students · 4.2 km away
Gilmanton Elementary School
Gilmanton IW · Public elementary · Grades K–8
335 students · 9.7 km away
Barnstead Elementary School
Ctr. Barnstead · Public elementary · Grades PK–8
449 students · 11 km away
Valley View Community School
Farmington · Public elementary · Grades PK–3
245 students · 12 km away
Farmington Senior High School
Farmington · Public high · Grades 9–12
214 students · 12 km away
Henry Wilson Memorial School
Farmington · Public middle · Grades 4–8
271 students · 13 km away
Middleton Elementary School
Middleton · Public elementary · Grades PK–6
155 students · 13 km away
Similar schools
Public high schools in New Hampshire with a comparable Enrollment.
Somersworth High School
Somersworth · Public high · Grades 9–12
399 students
Belmont High School
Belmont · Public high · Grades 9–12
361 students
Newfound Regional High School
Bristol · Public high · Grades 9–13
357 students
Winnisquam Regional High School
Tilton · Public high · Grades 9–12
357 students
Monadnock Regional High School
Swanzey · Public high · Grades 9–12
448 students
Sanborn Regional High School
Kingston · Public high · Grades 9–12
448 students
Frequently asked questions
Is Prospect Mountain High School a good school?
Prospect Mountain High School has a Success Index (US) of 62.2 out of 100 (Top 50% of high schools in United States) and ranks #53 of 89 in New Hampshire. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Prospect Mountain High School rank in New Hampshire?
Prospect Mountain High School ranks #53 of 89 high schools in New Hampshire and #5232 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Prospect Mountain High School?
Prospect Mountain High School had 402 students in 2025.
Is Prospect Mountain High School a elementary school or a high school?
Prospect Mountain High School is classified as a high covering Grades 9–13. It is a public school.
What other schools are near Prospect Mountain High School?
There are 8 schools within 15 km of Prospect Mountain High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.