NHHighVerified for 2025-26
Londonderry Senior High School — School Profile & District Info
High|Londonderry, New Hampshire|Londonderry School District|Last audited: Not yet synced
Londonderry, NH 03053
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School Profile
Grades
9–12
Enrollment
1,308
Student:Teacher
11.6:1
Locale
Suburban
District
Londonderry School DistrictEcon. Disadvantaged
10.2%
Phone
(603)432-6941School Statistics
Academics (SY 2020-21)
ELA Proficiency
74%
89th percentile in NH
Math Proficiency
48%
73th percentile in NH
Graduation Rate
93%
Chronic Absenteeism
7.5%
SY 2019-20
Programs & Activities (SY 2021-22)
AP Program
14 courses offered
Dual Enrollment
Athletics
29 sports offered
Student-Teacher Ratio: 11:1
Near average in NHDistrict Finance (FY 2023)
Per-Pupil Spending
$20,805
District-level data
Funding Sources
Federal 4%State 22%Local 74%
Community Context
Median Home Value
$713,764
+1.6% YoY
Boston, MA metro area · Zillow Feb 2026
Community Need Level
Low
CDC/ATSDR Social Vulnerability Index 2022
Enrollment Trend (2014-2025)
1,289
Current enrollment
Declining(-12% 5yr)Coming Up
Mon, May 25, 2026
No School - Memorial Day
HolidayFri, Jun 12, 2026
Last Day of School
EventFull School Calendar 2025-26
| Date | Event |
|---|---|
| Mon, Sep 1, 2025 | No School - Labor Day |
| Mon, Oct 13, 2025 | No School - Professional Day |
| Wed, Nov 26, 2025 | No School - Thanksgiving Break |
| Wed, Dec 24, 2025 | No School - Winter Break |
| Mon, Jan 19, 2026 | No School - Martin Luther King Day |
| Mon, Feb 16, 2026 | No School - Presidents Day |
| Sat, Mar 14, 2026 | No School - Professional Day |
| Mon, Apr 20, 2026 | No School - Spring Break |
| Mon, May 25, 2026 | No School - Memorial Day |
| Fri, Jun 12, 2026 | Last Day of School |
Showing 10 events for the 2025-26 school year
Frequently Asked Questions about Londonderry Senior High School
Enrollment at Londonderry Senior High School stands at 1,308 students. The school is a High institution in the local district.