Oyster River High School, part of the Oyster River Cooperative School District, is a public high school located in Durham, New Hampshire, United States, with an enrollment of nearly 800 students. It serves Durham and the neighboring communities of Lee, and Madbury.
Serving 825 students in grades 9-12, Oyster River High School ranks in the top 10% of all schools in New Hampshire for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 60-64% (which is higher than the New Hampshire state average of 42%). The percentage of students achieving proficiency in reading/language arts is 75-79% (which is higher than the New Hampshire state average of 51%).
The student-teacher ratio of 12:1 is higher than the New Hampshire state level of 11:1.
Minority enrollment is 14% of the student body (majority Asian), which is lower than the New Hampshire state average of 18% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 825 students
- Student-Teacher Ratio: 12:1
- Minority Enrollment: 14%
- Graduation Rate: 90-94% (Top 20% in NH)
- Overall Testing Rank: Top 10%
- Math Proficiency: 60-64% (Top 20%)
- Reading Proficiency: 75-79% (Top 10%)
- Science Proficiency: 50-54% (Top 20%)
- Source: National Center for Education Statistics (NCES), NH Dept. of Education
Top Rankings
Oyster River High School ranks among the top 20% of public schools in New Hampshire for:
Category
Attribute
Overall Rank
Most improved public schools
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
School Overview
Oyster River High School's student population of 825 students has stayed relatively flat over five school years.
The teacher population of 67 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
825 students
Total Classroom Teachers
67 teachers
School Calendar
School Rankings
Oyster River High School ranks within the top 10% of all 455 schools in New Hampshire (based off of combined math and reading proficiency testing data).
The diversity score of Oyster River High School is 0.26, which is less than the diversity score at state average of 0.33. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#36 out of 455 schools
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
60-64%
42%
Reading/Language Arts Test Scores (% Proficient)
75-79%
51%
Science Test Scores (% Proficient)
50-54%
36%
Student-Teacher Ratio
12:1
11:1
American Indian
n/a
n/a
Asian
5%
3%
Hispanic
2%
8%
Black
1%
2%
White
86%
82%
Hawaiian
n/a
n/a
Two or more races
6%
5%
All Ethnic Groups
Graduation Rate
90-94%
88%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
6%
20%
Eligible for Reduced Lunch
2%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NH Dept. of Education
Frequently Asked Questions
What is Oyster River High School's ranking?
Oyster River High School is ranked #36 out of 455 schools, which ranks it among the top 10% of public schools in New Hampshire.
What schools are Oyster River High School often compared to?
Oyster River High Schoolis often viewed alongside schools like Dover Senior High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
60-64% of students have achieved math proficiency (compared to the 42% NH state average), while 75-79% of students have achieved reading proficiency (compared to the 51% NH state average).
What is the graduation rate of Oyster River High School?
The graduation rate of Oyster River High School is 90-94%, which is higher than the New Hampshire state average of 88%.
How many students attend Oyster River High School?
825 students attend Oyster River High School.
What is the racial composition of the student body?
86% of Oyster River High School students are White, 6% of students are Two or more races, 5% of students are Asian, 2% of students are Hispanic, and 1% of students are Black.
What is the student-teacher ratio of Oyster River High School?
Oyster River High School has a student ration of 12:1, which is higher than the New Hampshire state average of 11:1.
What grades does Oyster River High School offer ?
Oyster River High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Oyster River High School part of?
Oyster River High School is part of Oyster River Coop School District.
School Reviews
Review Oyster River High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.
