Prospect Mountain High School
| Name | Prospect Mountain High School |
| Grades | Class 09 to Class 12 |
| Address | 242 Suncook Valley Rd. |
| City | Alton |
| School District | Prospect Mountain School District |
| County | Belknap County |
| Zipcode | 03809-4629 |
| Phone No. | (603)875-3800 |
| State | New Hampshire |
| Rural | Distant |
| Students | 440 |
| Teachers | 42 |
| Student Teacher Ratio | 10.5 students per teacher |
| Charter School | No |
| Magnet School | No |
Prospect Mountain High School is located at 242 Suncook Valley Rd. in Alton city of Belknap County county in New Hampshire. This school comes under Prospect Mountain School District. You can call them at (603)875-3800 for more details. This is not a magnet school. Total four hundred forty students from class 09 to class 12 study in this school who are taught by forty two teachers. This is not a charter school. The student teacher ratio of this school is 10.5.