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SCHOOL COMMUNITY·GREAT BAY CHARTER SCHOOL·NCES 330004800609

Great Bay Charter School (H)

30 Linden St., Exeter, NH 03833 · (603) 519-9003 · Rockingham County
GRADES 09–12HIGH31-TOWNCHARTERREGULAR SCHOOL94 STUDENTS
C+
allk12 Grade
Scored higher than 36% of New Hampshire public high schools
  • C+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • C+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

Enrollment
94
High
DISTRICT 77 · STATE 496
Student : Teacher
11.9:1
8 FTE teachers
DISTRICT 9.6:1 · STATE 11.2:1
Free / Reduced Lunch
22%
21 students
DISTRICT 26% · STATE 26%
Community
0
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

GradeStudentsShare
Grade 92021%
Grade 102324%
Grade 113234%
Grade 121920%
Student demographics
23%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 20% · STATE 33% · US 70%
White
8287%
DISTRICT 89% · STATE 81% · US 43%
Hispanic
33%
DISTRICT 3% · STATE 8% · US 30%
Black
11%
DISTRICT 1% · STATE 2% · US 15%
Two+
89%
DISTRICT 6% · STATE 5% · US 5%
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
Male
3941%
Female
5559%

School pathway

Feeds from
Great Bay Charter School (M)03–08
Based on grade levels within Great Bay Charter School. Attendance zones can vary; confirm enrollment with the district.

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Test scores

NHSAS 2024-25 . % Above Proficient
English Language Arts
52.0%
NH avg 55.2%

What this means: On the NHSAS, New Hampshire's statewide test, about 52 of every 100 students at this school read and write at grade level. The New Hampshire average is about 55 of 100.

Source: NHSAS. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
38.5%
composite math + reading, all grades
Predicted
49.1%
based on NH schools with similar FRL share
Beats by
-10.6pp
below demographic expectation

What this means: About 39% of students here test proficient in math and reading, compared with the roughly 49% 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 Great Bay Charter School (H)

Great Bay Charter School (H)'s state test result (38.5% proficient) is higher than 1 of the 4 schools below with a result.

SchoolStudentsLow-incomeProficient
Great Bay Charter School (H) this school9422.3%38.5%
Gorham High School
Gorham
14922.8%44.0%
Moultonborough Academy
Moultonborough
13722.6%60.0%
Groveton High School
Groveton
12126.4%23.7%
Profile Senior High School
Bethlehem
13328.6%49.7%
Next Charter School
Derry
7920.3%N/A
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 Great Bay Charter School (H) ranks

Among high schools
MeasureThis schoolIn New HampshireIn Rockingham County
Enrollment
ranked largest first
94#84 of 103#15 of 17
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 2024-25
Enrollment
94
0 (0%) vs 2020
-37% since 2010-11, when it was 150
Student : Teacher
11.9:1
was 11.8:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-25947.911.9:122% (21)
2023-24926.813.5:121% (19)
2022-231039.111.3:125% (26)
2020-2194811.8:127% (25)
2017-181127.914.2:126% (29)
2015-16122717.4:130% (36)
2010-11150530.0:119% (29)
Source: NCES Common Core of Data. Rows are the federal collections on file for Great Bay Charter School (H).

Since 2017-18: students down 16% (112 to 94); teachers unchanged (7.9 to 7.9).

About Great Bay Charter School (H)

Great Bay Charter School (H) is a small high school with an address in Exeter, New Hampshire. It enrolled 94 students in grades 9 through 12 for the 2024-25 school year. Statewide, high schools in New Hampshire average about 496 students each.

Great Bay Charter School, which runs Great Bay Charter School (H), has 2 schools and 154 students.

White students are the large majority at Great Bay Charter School (H), with 87% of enrollment. Enrollment also includes 9% multiracial and 3% Hispanic. The county population is about 91% White, within a few points of the school. Great Bay Charter School (H) has a diversity index of 23%, compared with 70% for all US public school students.

The school employs the equivalent of 7.9 full-time teachers, for a ratio of 11.9:1. Among high schools in New Hampshire, the typical ratio is 11.2:1. The free or reduced-price lunch share, often used to gauge student poverty, is 22%. For comparison, public schools in Rockingham County average 13%.

allk12 grades Great Bay Charter School (H) a C+. The grade compares the school only with New Hampshire public high schools, because each state gives its own test.

After adjusting for student poverty, Great Bay Charter School (H) lands between the top and bottom 10% of New Hampshire schools. Its average proficiency rate on state tests is 38.5%; the prediction is 49.1%.

Within Rockingham County, median household income is about $118,331, about 46% of adults have at least a bachelor's degree, and roughly 3% of residents are in poverty. Federal data list 99 public schools in Rockingham County, with a combined enrollment of about 41,753.

Great Bay Charter School (M) is the public school closest to Great Bay Charter School (H), less than a tenth of a mile away. Great Bay Charter School (H) has at least 8 other public schools within five miles. Great Bay Charter School (H)'s average proficiency of 38.5% compares with 52.7% for its nearest scored neighbors.

In the federal locale system, Great Bay Charter School (H) is coded Town: Fringe, for schools in a town close to an urbanized area. Great Bay Charter School (H) is a publicly funded charter school.

Great Bay Charter School (H) had 94 students in 2020-21 and 94 in 2024-25, nearly the same.

Families, students, and staff can use this page to discuss sports schedules, lunch menus, and spirit week at Great Bay Charter School (H). Anyone with firsthand experience at this school can post or comment.

Rockingham County at a glance

View full county profile
Population
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

School name
Great Bay Charter School (H)
District
Great Bay Charter School
Address
30 Linden St., Exeter, NH 03833
Phone
(603) 519-9003
County
Rockingham County
Level
High
Grade range
09–12
Total enrollment
94
Teachers (FTE)
8
Student–teacher ratio
11.9:1
Free and reduced lunch
21 (22%)
Locale
31-Town: Fringe
NCES ID
330004800609
Charter school
Yes
Virtual school
No

Related schools

Other schools in Great Bay Charter School
Other schools in Exeter
Nearby schools

Frequently asked questions

About Great Bay Charter School (H)
How many students attend Great Bay Charter School (H)?
Great Bay Charter School (H) enrolls approximately 94 students in grades 09-12.
What grades does Great Bay Charter School (H) serve?
Great Bay Charter School (H) serves grades 09-12.
What is the student-teacher ratio at Great Bay Charter School (H)?
The student-to-teacher ratio at Great Bay Charter School (H) is approximately 11.9:1 (8 FTE teachers).
What is the racial breakdown of students at Great Bay Charter School (H)?
At Great Bay Charter School (H), the student body is approximately 87% White, 3% Hispanic, 1% Black, 9% Two or more.
Is Great Bay Charter School (H) public or private?
Great Bay Charter School (H) is a public K-12 school operated as a charter, overseen by Great Bay Charter School.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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