Plymouth Regional High School
| Name | Plymouth Regional High School |
| Grades | Class 09 to Class 12 |
| Address | 86 Old Ward Brg. Rd. |
| City | Plymouth |
| School District | Pemi-baker Regional School District |
| County | Grafton County |
| Zipcode | 03264-1299 |
| Phone No. | (603)536-1444 |
| State | New Hampshire |
| Rural | Fringe |
| Students | 638 |
| Teachers | 51 |
| Student Teacher Ratio | 12.5 students per teacher |
| Charter School | No |
| Magnet School | No |
Plymouth Regional High School is located at 86 Old Ward Brg. Rd. in Plymouth city of Grafton County county in New Hampshire. This school comes under Pemi-baker Regional School District. You can call them at (603)536-1444 for more details. This is not a magnet school. Total six hundred thirty eight students from class 09 to class 12 study in this school who are taught by fifty one teachers. This is not a charter school. The student teacher ratio of this school is 12.5.