Londonderry Senior High School
Public
High Grades 9–12
Part of Londonderry School District
295 Mammoth Rd., Londonderry, NH 03053 · (603) 432-6941
Community ratings
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Academic performance
Math proficiency48%
State average 37.8%
Reading / language arts74%
State average 51.9%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
1,289Students enrolled
12:1Student–teacher ratio
11%Free / reduced lunch
SuburbSetting
Regular SchoolSchool type
Enrollment by grade
Grade 9314
Grade 10288
Grade 11345
Grade 12342
Students
White · 89%1,147
Hispanic · 5%62
Two or more races · 3%44
Asian · 1%19
Black · 1%15
American Indian/Alaska Native · 0%1
Native Hawaiian/Pacific Islander · 0%1
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
1,432’20
1,389’21
1,386’22
1,308’23
1,289’24
Location
295 Mammoth Rd. Londonderry
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.