1
What's the one class at Londonderry Senior High School every student should take?
Community prompt from u/allk12. Replies below.
Enrollment
1,289
High
DISTRICT 658 · STATE 496
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
B+
allk12 Grade
Scored higher than 74% of New Hampshire public high schools
- A-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- B+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded New Hampshire public high schools
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, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 314 | 24% |
| Grade 10 | 288 | 22% |
| Grade 11 | 345 | 27% |
| Grade 12 | 342 | 27% |
Student demographics
20%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 21% · STATE 33% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Feeds from
Based on grade levels within Londonderry School District. Attendance zones can vary; confirm enrollment with the district.
Test scores
NHSAS 2024-25 . % Above ProficientEnglish Language Arts
75.0%
NH avg 55.2%
Math
35.0%
NH avg 43.0%
What this means: On the NHSAS, New Hampshire's statewide test, about 75 of every 100 students at this school read and write at grade level and about 35 of 100 do math at grade level. Across all New Hampshire schools, those numbers are about 55 and 43.
Source: NHSAS. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
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
What this means: About 55% of students here test proficient in math and reading, compared with the roughly 57% typical for New Hampshire schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among New Hampshire's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Londonderry Senior High School
Londonderry Senior High School's state test result (55.3% proficient) is higher than 3 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Londonderry Senior High School this school | 1,289 | 10.9% | 55.3% |
| Goffstown High School Goffstown | 1,008 | 10.4% | 55.7% |
| Timberlane Regional High School Plaistow | 944 | 10.7% | 37.7% |
| Merrimack High School Merrimack | 1,057 | 11.0% | 47.7% |
| Exeter High School EXETER | 1,348 | 7.2% | 60.3% |
| Winnacunnet High School Hampton | 993 | 15.8% | 46.0% |
Matched among New Hampshire high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Londonderry Senior High School ranks
Among high schools| Measure | This school | In New Hampshire | In Rockingham County |
|---|---|---|---|
| State test proficiency ranked highest first | 55.3% | #18 of 78 | #6 of 14 |
| Math proficiency ranked highest first | 35.0% | #21 of 74 | #7 of 14 |
| Reading proficiency ranked highest first | 75.0% | #17 of 78 | #7 of 14 |
| Enrollment ranked largest first | 1,289 | #10 of 103 | #3 of 17 |
| Students per teacher ranked fewest first | 12.0:1 | #37 of 68 | #9 of 13 |
| Diversity index ranked most diverse first | 20.4% | #33 of 68 | #7 of 13 |
| Free and reduced lunch ranked highest share first | 10.9% | #64 of 80 | #8 of 14 |
| Enrollment change since 2017-18 ranked steepest decline first | -13.8% | #18 of 60 | #5 of 11 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
1,289
-143 (-10%) vs 2020
+6% since 1990-91, when it was 1,220
Student : Teacher
12.0:1
was 12.8:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 1,289 | 107.6 | 12.0:1 | 11% (140) |
| 2023-24 | 1,308 | 113.2 | 11.6:1 | 10% (133) |
| 2022-23 | 1,386 | 122 | 11.4:1 | 9% (126) |
| 2020-21 | 1,432 | 112 | 12.8:1 | 10% (137) |
| 2017-18 | 1,495 | 115.8 | 12.9:1 | 8% (126) |
| 2015-16 | 1,584 | 116 | 13.7:1 | 8% (121) |
| 2010-11 | 1,730 | 134 | 12.9:1 | 5% (86) |
| 2000-01 | 1,635 | 114 | 14.3:1 | 2% (30) |
| 1990-91 | 1,220 | 87 | 14.0:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Londonderry Senior High School.
Since 2017-18: students down 14% (1,495 to 1,289); teachers down 7% (115.8 to 107.6).
About Londonderry Senior High School
Londonderry Senior High School serves students in Londonderry, New Hampshire, as a large high school. Enrollment in 2024-25 was 1,289 students in grades 9 through 12. Against the 496-student average for high schools in New Hampshire, enrollment here is 160% higher.
Londonderry Senior High School is one of the 6 schools that make up Londonderry School District (3,950 students in total).
Londonderry Senior High School's enrollment is 89% White. Next come 5% Hispanic and 3% multiracial. County-wide, about 91% of residents are White. Pick two students at random and there is a 20% chance they belong to different racial or ethnic groups; that figure is the school's diversity index.
The school has about 12.0 students per teacher and 107.6 full-time-equivalent teachers. This ratio sits 0.8 above the 11.2:1 average for high schools in New Hampshire. Federal records put free or reduced-price lunch eligibility at 11%. That tracks the 13% average for public schools in Rockingham County.
The allk12 Grade for Londonderry Senior High School is B+. Compared with New Hampshire public high schools, the school scored higher than 74% on a mix of test scores, poverty-adjusted results, and recent trend.
Based on student poverty, the model expects 56.5% at Londonderry Senior High School; the school's average proficiency rate on state tests is 55.3%.
Among Rockingham County residents, the median household income is $118,331, 46% of adults hold a bachelor's degree or higher, and about 3% of residents live below the federal poverty line. Londonderry Senior High School is one of 99 public schools in the county.
The nearest other public school, Matthew Thornton Elementary School, is about 0.3 miles away. Inside a five-mile radius, there are at least 8 other public schools. Compared with its nearest neighbors, Londonderry Senior High School ranks 2nd of 6 on average proficiency.
NCES lists the school's locale as Suburb: Mid-size. That means it sits in a suburban area outside a principal city, within an urbanized area with a population between 100,000 and 250,000.
Enrollment is down 10% from 2020-21, when Londonderry Senior High School had 1,432 students, to 2024-25, when it had 1,289.
To ask about school events, clubs, and volunteer needs, start a discussion on this page. Anyone with firsthand experience at this school can post or comment.
Rockingham County at a glance
View full county profilePopulation
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
Related schools
Other schools in Londonderry School District
- Londonderry Middle SchoolMiddle · 918 students
- Matthew Thornton Elementary SchoolElementary · 537 students
- North Londonderry Elementary SchoolElementary · 451 students
- South Londonderry Elementary SchoolElementary · 412 students
- Moose Hill SchoolElementary · 343 students
Other schools in Londonderry
- Londonderry Middle SchoolMiddle · 918 students
- Matthew Thornton Elementary SchoolElementary · 537 students
- North Londonderry Elementary SchoolElementary · 451 students
- South Londonderry Elementary SchoolElementary · 412 students
- Moose Hill SchoolElementary · 343 students
Nearby schools
- Matthew Thornton Elementary School0.3 mi · 537
- Londonderry Middle School0.3 mi · 918
- Moose Hill School0.4 mi · 343
- South Londonderry Elementary School2.6 mi · 412
- Grinnell School3.0 mi · 338
- Derry Early Education Program3.2 mi · 132
Frequently asked questions
About Londonderry Senior High SchoolHow 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.