High school (grades 9-12) · Londonderry, NH

Londonderry Senior High School

Federal NCES profile for Londonderry Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 330441000484
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Compiled from official source data by .
0/100100/10049/100
👥 S:T ratio
58
🌟 Gifted program
30
🎓 Counselors
68
📋 Attendance
40
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Londonderry Senior High School earns 49/100 on the Resource Investment Index, with class sizes near the New Hampshire median. It is also one of the largest schools in New Hampshire.

#2 of 6
public schools in Londonderry · Resource Index
49
Resource Index · Higher
10.6:1
students per teacher
7.1%
free-lunch eligible

Londonderry Senior High School has class sizes near the New Hampshire median. Computed live against every New Hampshire school reporting to NCES.

By Resource Investment Index, Londonderry Senior High School ranks #2 of 6 public schools in Londonderry, NH.

School address

Londonderry, NH 03053
District: Londonderry School District · New Hampshire

NCES ID 330441000484 Verify on NCES CCD record →

CCD year-over-year · 2022-23 → 2023-24

-78 students YoY

Londonderry Senior High School shrank from 1,386 students in 2022-23 to 1,308 in 2023-24 (-5.6%).

Teacher FTE lost 122.0 → 113.2 across the same CCD years.

Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).

Shrinking CCD campus

-78 students YoY 330441000484 · Londonderry, NH High · MID · TRAD

1,289 enr · 10.6:1 · 7.1% lunch · RII 49

Nearest enrollment peer: Londonderry Middle School (918 students)

Londonderry Senior High School shrank from 1,386 students in 2022-23 to 1,308 in 2023-24 (-5.6%). Teacher FTE lost 122.0 → 113.2 across the same CCD years. Read with this school → · District book → · New Hampshire schools → · Find another →

Londonderry Senior High School in the enrollment neighbourhood

Fall enrollment among this campus and nearest district peers

students

What this shows Londonderry Senior High School reports 1,289 students on the CCD universe file.

Source U.S. Department of Education, NCES Common Core of Data (Public School Universe) As of 2024-25

How Londonderry Senior High School compares

Londonderry Senior High School is a shrinking campus on CCD: ratios and free-lunch share vs New Hampshire and U.S. means.

Metric This school vs New Hampshire New Hampshire avg U.S. avg
Students per teacher 10.6:1 ▼ 6% 11.3:1 15.7:1
Free-lunch eligible 7.1% ▼ 67% 21.5% 51.7%
Enrollment 1,289 top 2% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

10.6:1
Leaner classes than 85% of US schools, among the more generously staffed nationally.
1,289
Bigger than 95% of US schools by enrollment, a large campus nationally.

Equity indicators methodology

Economic need
7.1%
free-lunch eligible - 67% below the New Hampshire average of 21.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
10.6:1
students per teacher - 6% below state mean
Top 45% in New Hampshire - lower ratio than 55% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
24.0%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$20,750
per pupil, district-wide - below New Hampshire avg of $24,919
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors8.0 FTE
Per 161 students, the combined health-and-guidance staffing load for this school.
Discipline context
73
in-school suspensions + 62 out-of-school
Suspension rate: 5.7 per 100 students. Combined in-school and out-of-school rate: 10.5 per 100 students. Reported via the Civil Rights Data Collection.

Student demographics

White 89.0%
Hispanic or Latino 4.8%
Two or More 3.4%
Asian 1.5%
African American 1.2%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%

Largest group: White at 89.0% of enrollment.

Student-body diversity index 20.4/100

Simpson diversity index - at 20.4, Londonderry Senior High School is less mixed than the New Hampshire school average of 24.3.

Programs

AP courses offered 14

District finance for Londonderry School District reports $20,750 per pupil (NCES F-33) - open the district page for the full revenue mix.

How Londonderry Senior High School Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Londonderry Middle School Smaller Similar economic need Similar S:T ratio
Matthew Thornton Elementary School Smaller Similar economic need Similar S:T ratio
North Londonderry Elementary School Smaller Similar economic need Similar S:T ratio
South Londonderry Elementary School Smaller Similar economic need Lower S:T ratio
Moose Hill School Smaller Similar economic need Higher S:T ratio

Comparisons are relative to Londonderry Senior High School's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Londonderry School District · 5 sibling schools

View district profile

Nationwide high schools with similar size or staffing

Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.

Similar enrollment (~1,289 students)

Similar student-teacher ratio (~10.6:1)

Frequently asked questions about Londonderry Senior High School

How many students attend Londonderry Senior High School?

Londonderry Senior High School has 1,289 students enrolled. It is a high school in Londonderry, NH. CCD year-over-year: 1,386 (2022-23) → 1,308 (2023-24), down 78.

What is the student-teacher ratio at Londonderry Senior High School?

The student-teacher ratio at Londonderry Senior High School is 10.6:1, which is 6% lower than the New Hampshire average of 11.3:1 and 32% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.

What percentage of students receive free lunch at Londonderry Senior High School?

7.1% of students at Londonderry Senior High School are eligible for free lunch, compared to the New Hampshire average of 21.5%.

What is the racial and ethnic makeup of Londonderry Senior High School?

The largest demographic group at Londonderry Senior High School is White at 89.0% of enrollment, in Londonderry, NH.

What is the Resource Investment Index for Londonderry Senior High School?

Londonderry Senior High School has a Resource Investment Index of 49/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Londonderry Senior High School rank among public schools in Londonderry?

By Resource Investment Index, Londonderry Senior High School ranks #2 of 6 public schools in Londonderry, NH. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Londonderry on the city page.

What other schools are in Londonderry School District?

Besides Londonderry Senior High School, Londonderry School District also operates Londonderry Middle School (918 students), Matthew Thornton Elementary School (537 students), and North Londonderry Elementary School (451 students). See the Londonderry School District district page for the complete list.

Read our methodology - how this data is sourced, computed, and verified.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2022-23) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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Compiled from official source data by .