Best Public High Schools in Alton, NH (2025-26)

Best Alton Public High Schools (2025-26)

For the 2025-26 school year, there is 1 public high school serving 401 students in Alton, NH.

The top ranked public high school in Alton, NH is Prospect Mountain High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Alton, NH public high school have an score of 27% (versus the New Hampshire public high school average of 35%), and score of 62% (versus the 61% statewide average). High schools in Alton have an average ranking of 6/10, which is in the top 50% of New Hampshire public high schools.

Alton, NH public high school have a of 92%, which is more than the New Hampshire average of 88%.

The school with highest graduation rate is Prospect Mountain High School, with 90-94% graduation rate. Read more about public school graduation rate statistics in New Hampshire or national school graduation rate statistics.

Minority enrollment is 6% of the student body (majority Hispanic), which is less than the New Hampshire public high school average of 17% (majority Hispanic).

Best Public High Schools in Alton, NH (2025-26)

School
(Math and Reading Proficiency)

Location

Quick Facts

Rank: #11.

Prospect Mountain High School

(Math: 25-29% | Reading: 60-64%)
:

Top 50%

242 Suncook Valley Rd.
Alton, NH 03809
(603) 875-3800

Gr: 9-13 | 401 students Student-teacher ratio: 11:1 Minority enrollment: 6%

[+] Show Closed 51��s in Alton, New Hampshire

Alton, New Hampshire 51��s (Closed)

School

Location

Quick Facts

Alton Central School (High) (Closed 2005)

School St Po Box 910
Alton, NH 03809
(603) 875-7500

Gr: 9-12 | 204 students Minority enrollment: 1%

Frequently Asked Questions

What are the top ranked public high schools in Alton, NH?

The top ranked public high schools in Alton, NH include Prospect Mountain High School.

How many public high schools are located in Alton?

1 public high schools are located in Alton.

What is the racial composition of students in Alton?

Alton public high schools minority enrollment is 6% of the student body (majority Hispanic), which is less than the New Hampshire public high schools average of 17% (majority Hispanic).