Enrollment
19
New Hampshire · 2024-25 NCES data
High school (grades 9-12) · Exeter, NH
Coastal Waters Chartered Public School (H)
Federal NCES profile for Coastal Waters Chartered Public School (H), including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 85/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 339997310035Charter school
👥 S:T ratio 85
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Coastal Waters Chartered Public School (H) earns 85/100 on the Resource Investment Index, with class sizes smaller than 99% of New Hampshire schools. It is also one of the smallest schools in New Hampshire.
- #1 of 4
- high schools in Exeter · Resource Index
- 85
- Resource Index · Higher
- 3.8:1
- small classes for New Hampshire
- 15.8%
- free-lunch eligible
Coastal Waters Chartered Public School (H) has class sizes smaller than 99% of New Hampshire schools. Computed live against every New Hampshire school reporting to NCES.
By Resource Investment Index, Coastal Waters Chartered Public School (H) ranks #1 of 4 high schools in Exeter, NH.
School address
District: Coastal Waters Chartered Public School · New Hampshire
NCES ID 339997310035 Verify on NCES CCD record →
Teachers (FTE)
5.0
Federal CCD staff survey
Students per teacher
3.8:1
vs 11.3:1 New Hampshire avg
-66% vs state
Free-lunch eligible
15.8%
vs 21.5% New Hampshire avg
-27% vs state
Student-teacher ratio in context
How Coastal Waters Chartered Public School (H) compares with New Hampshire and U.S. medians
What stands out at Coastal Waters Chartered Public School (H)
Coastal Waters Chartered Public School (H) is a lower-poverty, small charter high school in Exeter, New Hampshire, enrolling 19 students.
Classes run notably small here: at 3.8:1, Coastal Waters Chartered Public School (H) is leaner than roughly 99% of New Hampshire schools and 66% under the state's 11.3:1 norm, more adult attention per pupil than most peers.
Its free-meal eligibility rate of 15.8% lands close to the New Hampshire typical range, neither a high- nor low-need campus by this measure.
This is a small campus: fewer students than 99% of New Hampshire schools, with 19 enrolled.
Its Resource Investment Index outscores 100% of the 500 New Hampshire schools with a score on record, a top-tier result on this measure.
Among Exeter's high schools, it stands alongside Exeter High School (1,348 students): Coastal Waters Chartered Public School (H) is smaller than that campus by headcount and runs leaner classes (3.8:1 vs 13:1).
Its district, Coastal Waters Chartered Public School, also runs Coastal Waters Chartered Public School (E) (109 students).
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Coastal Waters Chartered Public School (H) compares
Coastal Waters Chartered Public School (H) on the metrics families compare, against New Hampshire and U.S. means.
| Metric | This school | vs New Hampshire | New Hampshire avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 3.8:1 | ▼ 66% | 11.3:1 | 15.7:1 |
| Free-lunch eligible | 15.8% | ▼ 27% | 21.5% | 51.7% |
| Enrollment | 19 | top 99% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
3.8:1
Leaner classes than 99% of US schools, among the more generously staffed nationally.
19
Bigger than 3% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
15.8%
free-lunch eligible
- 27% below the New Hampshire average of 21.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
3.8:1
students per teacher
- 66% below state mean
Top 1% in New Hampshire - lower ratio than 99% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
How Coastal Waters Chartered Public School (H) Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Coastal Waters Chartered Public School (E) | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Coastal Waters Chartered Public School (H)'s own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 109
- Students per teacher
- 10.9:1
- Resource Index
- 56/100
Similar high schools in Exeter
3 comparable high schools (grades 9-12) serving the same city.
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of New Hampshire, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~19 students)
Next steps
Verify locally before acting on Coastal Waters Chartered Public School (H)'s federal record.
- Compare Coastal Waters Chartered Public School (H) against another school. Compare schools
- Coastal Waters Chartered Public School's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Coastal Waters Chartered Public School (H)
How many students attend Coastal Waters Chartered Public School (H)?
Coastal Waters Chartered Public School (H) has 19 students enrolled. It is a high school in Exeter, NH.
What is the student-teacher ratio at Coastal Waters Chartered Public School (H)?
The student-teacher ratio at Coastal Waters Chartered Public School (H) is 3.8:1, which is 66% lower than the New Hampshire average of 11.3:1 and 76% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Coastal Waters Chartered Public School (H)?
15.8% of students at Coastal Waters Chartered Public School (H) are eligible for free lunch, compared to the New Hampshire average of 21.5%.
What is the Resource Investment Index for Coastal Waters Chartered Public School (H)?
Coastal Waters Chartered Public School (H) has a Resource Investment Index of 85/100 (higher reported resources relative to schools nationally) based on 1 factor: student-teacher ratio. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
How does Coastal Waters Chartered Public School (H) rank among high schools in Exeter?
By Resource Investment Index, Coastal Waters Chartered Public School (H) ranks #1 of 4 high schools in Exeter, NH. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Exeter on the city page.
Is Coastal Waters Chartered Public School (H) a good school?
Coastal Waters Chartered Public School (H) earns 85/100 on the Resource Investment Index, with class sizes smaller than 99% of New Hampshire schools. It is also one of the smallest schools in New Hampshire. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Coastal Waters Chartered Public School?
Besides Coastal Waters Chartered Public School (H), Coastal Waters Chartered Public School also operates Coastal Waters Chartered Public School (E) (109 students). See the Coastal Waters Chartered Public School district page for the complete list.
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Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.