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Oyster River High School
Test scores
NHSAS 2024-25 . % Above ProficientBeatsExpectations
Demographically-adjusted score · methodology7-year change
SY 2017-18 vs SY 2024-25About Oyster River High School
Set in Durham, New Hampshire, Oyster River High School is a high-enrollment four-year high school, run under Oyster River Coop School District. It serves 825 students across grades 9 through 12. Compared to the state average of about 496 students per school, that is 66% larger than typical.
Oyster River Coop School District runs 5 schools in total, collectively educating 2,097 students. Oyster River High School is one of those campuses.
In terms of who attends, Oyster River High School logs that 87% of students identify as White, making the school strongly White-majority; the rest consists of 6% multiracial, 5% Asian. Compared to Strafford County overall, the school's racial mix sits in roughly the same range.
In terms of school funding signals, Staff filings list 67 full-time-equivalent teachers, which works out to roughly 12.3:1 students per teacher. Statewide, the average ratio sits near 11.2:1, putting Oyster River High School higher than the state norm the norm. Around 7% of the student body qualifies for free or reduced-price meals, a number frequently used as a low-income enrollment indicator. Set against Strafford County (around 26%), the school's rate is somewhat below typical.
Adjusting for the school's free-and-reduced-lunch share, Oyster River High School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 58.8%; this one delivers 65.3%.
In the surrounding community, census data for Strafford County shows the typical household earns roughly $88,570 per year, roughly 39% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 5%. Oyster River High School is one of 39 public schools in Strafford County (combined enrollment of about 13,978 students).
Oyster River Preschool Education Program is the nearest neighboring public school, about 0.0 miles from this campus. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts Oyster River High School at 4th of 8; the average score across the group is 57.3%.
The campus sits in a town-center setting.
Looking at the recent track record. Over the past 7-year window, the student count expanded 4%: 793 students in 2018 compared to 825 in 2025. Over the same period, the White share edged down from 92% to 87%.
On this page, recent activity here tends to focus on open house dates, ride-share offers, and field-trip permission slips. Posting is open to anyone connected to the school.
Strafford County at a glance
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Related schools
- Oyster River Middle SchoolMiddle · 585 students
- Mast Way SchoolElementary · 348 students
- Moharimet SchoolElementary · 309 students
- Oyster River Preschool Education ProgramElementary · 30 students
- Oyster River Middle SchoolMiddle · 585 students
- Oyster River Preschool Education ProgramElementary · 30 students
- Oyster River Preschool Education Program0.0 mi · 30
- Oyster River Middle School0.4 mi · 585
- Moharimet School2.1 mi · 309
- Dover Senior High School2.9 mi · 1,371
- Garrison School2.9 mi · 353
- Dover Middle School3.0 mi · 941