The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
SCHOOL COMMUNITY·LONDONDERRY SCHOOL DISTRICT·NCES 330441000484

Londonderry Senior High School

295 Mammoth Rd., Londonderry, NH 03053 · (603) 432-6941 · Rockingham County
GRADES 09–12HIGH22-SUBURBREGULAR SCHOOL1,289 STUDENTS
Enrollment
1,289
High
DISTRICT 658 · STATE 496
Student : Teacher
12.0:1
108 FTE teachers
DISTRICT 12.0:1 · STATE 11.2:1
Free / Reduced Lunch
11%
140 students
DISTRICT 11% · STATE 26%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 9
314
Grade 10
288
Grade 11
345
Grade 12
342
Student demographics
White
1,14789%
DISTRICT 88% · STATE 81%
Hispanic
625%
DISTRICT 5% · STATE 8%
Black
151%
DISTRICT 1% · STATE 2%
Asian
191%
DISTRICT 2% · STATE 3%
Two+
443%
DISTRICT 4% · STATE 5%
Native American
10%
DISTRICT 0% · STATE 0%
Pacific Islander
10%
DISTRICT 0% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
67853%
Female
61147%

Discussions

+ POST

Test scores

NHSAS 2024-25 . % Above Proficient
English Language Arts
75.0%
NH avg 55.2%
Math
35.0%
NH avg 43.0%
Source: NHSAS. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
55.3%
composite math + reading, all grades
Predicted
56.5%
based on NH schools with similar FRL share
Beats by
-1.2pp
below demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
1,289
-206 (-14%) vs 2017
Student : Teacher
12.0:1
was 12.9:1
% White
89%
was 94%
% Hispanic
5%
was 2%
% Black
1%
was 1%
% Asian
1%
was 2%
Source: NCES Common Core of Data

About Londonderry Senior High School

Londonderry Senior High School operates as a sizable secondary school in Londonderry, New Hampshire, operated by Londonderry School District. Current enrollment sits at 1,289 students spanning grades 9 through 12. By comparison, New Hampshire's public schools average about 496 students each, so Londonderry Senior High School sits 160% larger than that benchmark.

Londonderry School District comprises 6 schools with combined enrollment of 3,950 students; Londonderry Senior High School is among them.

Looking at the student body, Londonderry Senior High School logs that 89% of students identify as White, making the school strongly White-majority. Other groups include 5% Hispanic, 3% multiracial. That composition is broadly in line with Rockingham County as a whole.

Looking at school resources, On paper, Londonderry Senior High School has 108 full-time-equivalent teachers, translating to a class-load average of around 12.0:1. The state averages around 11.2:1, so this campus is higher than the state norm typical. An estimated 11% of students are eligible for free or reduced-price lunch, often used as a Title I proxy.

With demographic context factored in, Londonderry Senior High School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 56.5%; this one delivers 55.3%.

Around the school, community-level numbers for Rockingham County indicate median household earnings sit near $118,331, about 46% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 3%. Londonderry Senior High School is one of 99 public schools in Rockingham County (combined enrollment of about 41,753 students).

Nearest neighbor: Matthew Thornton Elementary School, around 0.3 miles off. Counting just inside five miles, 8 other public schools cluster around Londonderry Senior High School. On composite proficiency, Londonderry Senior High School comes 2nd of 6 in the immediate cluster, higher than the nearby-schools average of 47.1%.

The campus sits in an outer-ring setting.

Five-year trend. Londonderry Senior High School's enrollment has decreased 14% since 2018, when it stood at 1,495 (now 1,289). White enrollment moved from 94% to 89% across the same window.

On the community side, members of the Londonderry Senior High School community share and discuss open house dates, ride-share offers, and field-trip permission slips. Posting is open to anyone connected to the school.

Rockingham County at a glance

View full county profile
Population
319,082
Census ACS
Median income
$118,331
Household, ACS
Bachelor's+
46%
Adults 25+
Poverty rate
3%
Below federal line
Schools in county
99
41,753 students

Quick facts

School name
Londonderry Senior High School
District
Londonderry School District
Address
295 Mammoth Rd., Londonderry, NH 03053
Phone
(603) 432-6941
County
Rockingham County
Level
High
Grade range
09–12
Total enrollment
1,289
Teachers (FTE)
108
Student–teacher ratio
12.0:1
Free/Reduced lunch
140 (11%)
Locale
22-Suburb: Mid-size
NCES ID
330441000484
Charter school
No
Virtual school
No

Related schools

Other schools in Londonderry School District
Other schools in Londonderry
Nearby schools

Frequently asked questions

About Londonderry Senior High School
How large is Londonderry Senior High School?
Londonderry Senior High School enrolls approximately 1,289 students in grades 09-12.
Is Londonderry Senior High School an elementary, middle, or high school?
Londonderry Senior High School is a high school covering grades 09-12.
How many teachers does Londonderry Senior High School have?
Londonderry Senior High School employs 108 FTE teachers, for a student-to-teacher ratio of 12.0:1.
What is the student diversity at Londonderry Senior High School?
Student demographics at Londonderry Senior High School are roughly 89% White, 5% Hispanic, 1% Black, 1% Asian, 3% Two or more.
What district is Londonderry Senior High School in?
Londonderry Senior High School is part of Londonderry School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
+ Post