Londonderry Senior High School
| Name | Londonderry Senior High School |
| Grades | Class 09 to Class 12 |
| Address | 295 Mammoth Rd. |
| City | Londonderry |
| School District | Londonderry School District |
| County | Rockingham County |
| Zipcode | 03053-3095 |
| Phone No. | (603)432-6941 |
| State | New Hampshire |
| Suburb | Midsize |
| Students | 1432 |
| Teachers | 112 |
| Student Teacher Ratio | 12.8 students per teacher |
| Charter School | No |
| Magnet School | No |
Londonderry Senior High School is located at 295 Mammoth Rd. in Londonderry city of Rockingham County county in New Hampshire. This school comes under Londonderry School District. You can call them at (603)432-6941 for more details. This is not a magnet school. Total one thousand four hundred thirty two students from class 09 to class 12 study in this school who are taught by one hundred twelve teachers. This is not a charter school. The student teacher ratio of this school is 12.8.