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Best kept secret at Oyster River High School?
Community prompt from u/allk12. Replies below.
Enrollment
825
High
DISTRICT 419 · STATE 496
SCHOOL COMMUNITY·OYSTER RIVER COOP SCHOOL DISTRICT·NCES 330552000354
Oyster River High School
55 Coe Dr., Durham, NH 03824 · (603) 868-2375 · Strafford County
GRADES 09–12HIGH31-TOWNREGULAR SCHOOL825 STUDENTS
A+
allk12 Grade
Scored higher than 95% 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.
- ABeats 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
12.3:1
67 FTE teachers
DISTRICT 12.5:1 · STATE 11.2:1
Free / Reduced Lunch
7%
61 students
DISTRICT 8% · 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 | 200 | 24% |
| Grade 10 | 203 | 25% |
| Grade 11 | 198 | 24% |
| Grade 12 | 224 | 27% |
Student demographics
24%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 27% · 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 Oyster River Coop School District. Attendance zones can vary; confirm enrollment with the district.
Test scores
NHSAS 2024-25 . % Above ProficientEnglish Language Arts
86.0%
NH avg 55.2%
Math
55.0%
NH avg 43.0%
What this means: On the NHSAS, New Hampshire's statewide test, about 86 of every 100 students at this school read and write at grade level and about 55 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
65.3%
composite math + reading, all grades
Predicted
58.8%
based on NH schools with similar FRL share
Beats by
+6.5pp
above demographic expectation
What this means: About 65% of students here test proficient in math and reading, compared with the roughly 59% 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 Oyster River High School
Oyster River High School's state test result (65.3% proficient) is higher than 4 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Oyster River High School this school | 825 | 7.4% | 65.3% |
| Souhegan Coop High School Amherst | 696 | 6.9% | 59.3% |
| Exeter High School EXETER | 1,348 | 7.2% | 60.3% |
| Hollis-Brookline High School Hollis | 745 | 2.3% | 66.3% |
| Portsmouth High School Portsmouth | 1,017 | 11.0% | 64.3% |
| Merrimack High School Merrimack | 1,057 | 11.0% | 47.7% |
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 Oyster River High School ranks
Among high schools| Measure | This school | In New Hampshire | In Strafford County |
|---|---|---|---|
| State test proficiency ranked highest first | 65.3% | #4 of 78 | #1 of 6 |
| Math proficiency ranked highest first | 55.0% | #5 of 74 | N/A |
| Reading proficiency ranked highest first | 86.0% | #3 of 78 | #1 of 6 |
| Enrollment ranked largest first | 825 | #21 of 103 | #3 of 7 |
| Students per teacher ranked fewest first | 12.3:1 | #42 of 68 | N/A |
| Diversity index ranked most diverse first | 24.5% | #24 of 68 | N/A |
| Free and reduced lunch ranked highest share first | 7.4% | #70 of 80 | #6 of 6 |
| Enrollment change since 2017-18 ranked fastest growth first | +4.0% | #4 of 9 | N/A |
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
825
-10 (-1%) vs 2020
+78% since 1990-91, when it was 464
Student : Teacher
12.3:1
was 12.7:1
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 | 825 | 67 | 12.3:1 | 7% (61) |
| 2023-24 | 838 | 66.6 | 12.6:1 | 8% (71) |
| 2022-23 | 844 | 67.4 | 12.5:1 | 8% (65) |
| 2020-21 | 835 | 66 | 12.7:1 | 7% (58) |
| 2017-18 | 793 | 65.5 | 12.1:1 | 5% (36) |
| 2015-16 | 714 | 62 | 11.5:1 | 4% (32) |
| 2010-11 | 673 | 64 | 10.5:1 | 4% (28) |
| 2000-01 | 756 | 51 | 14.8:1 | 2% (17) |
| 1990-91 | 464 | N/A | N/A | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Oyster River High School.
Since 2017-18: students up 4% (793 to 825); teachers up 2% (65.5 to 67).
About Oyster River High School
Oyster River High School is a high-enrollment high school in Oyster River Coop School District, located in Durham, New Hampshire. Students in grades 9 through 12 attend the school, which enrolls 825 students. For comparison, high schools in New Hampshire average about 496 students.
Oyster River High School is part of Oyster River Coop School District, where 5 schools serve 2,097 students.
White students are the large majority at Oyster River High School, with 87% of enrollment. Enrollment also includes 6% multiracial and 5% Asian. The county population is about 88% White, within a few points of the school. The chance that two students picked at random at Oyster River High School belong to different racial or ethnic groups, known as the diversity index, is 24%.
The ratio of students to teachers is 12.3:1, with 67 full-time-equivalent teachers on staff. The 11.2:1 average for high schools in New Hampshire is lower than this school's figure. Lunch subsidy eligibility at Oyster River High School is 7%. The gap from the 26% average for public schools in Strafford County is 19 points.
Oyster River High School is graded A+ by allk12, scoring above 95% of New Hampshire public high schools once test results, poverty-adjusted performance, and the recent trend are combined.
The model predicts 58.8% for a school in New Hampshire with Oyster River High School's free or reduced-price lunch share. Oyster River High School posts 65.3%.
Federal survey data for Strafford County show that median household income is about $88,570, 39% of adults hold a bachelor's degree or higher, and about 5% of residents live below the federal poverty line. Oyster River High School is among the 39 public schools in Strafford County.
The school nearest to Oyster River High School is Oyster River Preschool Education Program, at a distance of less than a tenth of a mile. Within five miles of Oyster River High School, there are at least 8 other public schools. Oyster River High School is 4th of 8 nearby schools by average proficiency rate.
The NCES locale for Oyster River High School is Town: Fringe, which covers schools in a town close to an urbanized area.
The student count changed little between 2020-21 (835) and 2024-25 (825).
The discussion area below is open to posts about enrollment questions, class placement, and PTA news. Reviews and ratings from people who know the school are welcome.
Strafford County at a glance
View full county profilePopulation
132,575
Census ACS
Median income
$88,570
Household, ACS
Bachelor's+
39%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
39
13,978 students
Quick facts
Related schools
Other schools in Oyster River Coop School District
- Oyster River Middle SchoolMiddle · 585 students
- Mast Way SchoolElementary · 348 students
- Moharimet SchoolElementary · 309 students
- Oyster River Preschool Education ProgramElementary · 30 students
Other schools in Durham
- Oyster River Middle SchoolMiddle · 585 students
- Oyster River Preschool Education ProgramElementary · 30 students
Nearby schools
- 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
Frequently asked questions
About Oyster River High SchoolWhat is the total enrollment at Oyster River High School?
Oyster River High School enrolls approximately 825 students in grades 09-12.
Is Oyster River High School an elementary, middle, or high school?
Oyster River High School is a high school covering grades 09-12.
How many students per teacher at Oyster River High School?
Approximately 12.3:1 students per teacher at Oyster River High School.
How diverse is Oyster River High School?
Oyster River High School reports a student body of 87% White, 2% Hispanic, 1% Black, 5% Asian, 6% Two or more.
Is Oyster River High School public or private?
Oyster River High School is a public K-12 school, overseen by Oyster River Coop School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.