For the 2026-27 school year, there are 2 public schools serving 804 students in Alton, NH.
The top-ranked public schools in Alton, NH are Prospect Mountain High School and Alton Central School Elementary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Alton, NH public schools have an average math proficiency score of 25% (versus the New Hampshire public school average of 42%), and reading proficiency score of 46% (versus the 51% statewide average). Schools in Alton have an average ranking of 2/10, which is in the bottom 50% of New Hampshire public schools.
Minority enrollment is 6% of the student body (majority Hispanic), which is less than the New Hampshire public school average of 18% (majority Hispanic).
Best Public Schools in Alton, NH (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Prospect Mountain High School
(Math: 25-29% | Reading: 60-64%)
Rank:
Rank:
6/
Top 50%10
242 Suncook Valley Rd.
Alton, NH 03809
(603) 875-3800
Alton, NH 03809
(603) 875-3800
Gr: 9-13 | 397 students Student-teacher ratio: 11:1 Minority enrollment: 7%
Rank: #22.
Alton Central School Elementary School
(Math: 24% | Reading: 42%)
Rank:
Rank:
2/
Bottom 50%10
41 School St.
Alton, NH 03809
(603) 875-7500
Alton, NH 03809
(603) 875-7500
Gr: PK-8 | 407 students Student-teacher ratio: 9:1 Minority enrollment: 4%
Alton, New Hampshire Public Schools (Closed)
School
Location
Quick Facts
School St Po Box 910
Alton, NH 03809
(603) 875-7500
Alton, NH 03809
(603) 875-7500
Gr: 9-12 | 204 students Minority enrollment: 1%
Frequently Asked Questions
What are the top-ranked public schools in Alton, NH?
The top-ranked public schools in Alton, NH include Prospect Mountain High School and Alton Central School Elementary School.
How many public schools are located in Alton?
2 public schools are located in Alton.
What is the racial composition of students in Alton?
Alton public schools minority enrollment is 6% of the student body (majority Hispanic), which is less than the New Hampshire public schools average of 18% (majority Hispanic).
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