- Enrollment
- 2,243
- Students per teacher
- 19:1
- Resource Index
- 39/100
High school (grades 9-12) · Castle Hayne, NC
Sea-Tech
Federal NCES profile for Sea-Tech, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 61/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 370333003439
👥 S:T ratio 30
🌟 Gifted program 70
🎓 Counselors 55
📋 Attendance 90
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sea-Tech earns 61/100 on the Resource Investment Index, with class sizes larger than 77% of North Carolina schools.
- #1 of 4
- public schools in Castle Hayne · Resource Index
- 61
- Resource Index · Higher
- 17.5:1
- large classes for North Carolina
- 97.8%
- free-lunch eligible
Sea-Tech has class sizes larger than 77% of North Carolina schools. Computed live against every North Carolina school reporting to NCES.
By Resource Investment Index, Sea-Tech ranks #1 of 4 public schools in Castle Hayne, NC.
School address
District: New Hanover County Schools · North Carolina
NCES ID 370333003439 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+35 students YoY
Sea-Tech grew from 230 students in 2022-23 to 265 in 2023-24 (+15.2%).
Teacher FTE added 13.3 → 15.9 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+35 students YoY 370333003439 · Castle Hayne, NC High · SMALL · TRAD
227 enr · 17.5:1 · 97.8% lunch · RII 61
Nearest enrollment peer: Emsley a Laney High (2,243 students)
Sea-Tech grew from 230 students in 2022-23 to 265 in 2023-24 (+15.2%). Teacher FTE added 13.3 → 15.9 across the same CCD years. Read with this school → · District book → · North Carolina schools → · Find another →
Sea-Tech in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Emsley a Laney
Emsley a Laney High
2,243 students
- John T Hoggard
John T Hoggard High
2,082 students
- Eugene Ashley
Eugene Ashley High
1,893 students
- New Hanover Hi
New Hanover High
1,437 students
- Charles P Murr
Charles P Murray Middle
907 students
- This school 227
Sea-Tech
227 students
What this shows Sea-Tech reports 227 students on the CCD universe file.
How Sea-Tech compares
Sea-Tech is a growing campus on CCD: ratios and free-lunch share vs North Carolina and U.S. means.
| Metric | This school | vs North Carolina | North Carolina avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.5:1 | ▲ 11% | 15.8:1 | 15.7:1 |
| Free-lunch eligible | 97.8% | ▲ 48% | 66.0% | 51.7% |
| Enrollment | 227 | top 86% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.5:1
Leaner classes than 27% of US schools, heavier class loads than most.
227
Bigger than 23% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
97.8%
free-lunch eligible
- 48% above the North Carolina average of 66.0%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
17.5:1
students per teacher
- 11% above state mean
Top 77% in North Carolina - lower ratio than 23% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
4.0%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
Funding equity
$13,808
per pupil, district-wide
- above North Carolina avg of $12,294
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 227 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 63.4%
Hispanic or Latino 16.7%
African American 11.5%
Two or More 6.2%
Asian 2.2%
Largest group: White at 63.4% of enrollment.
Student-body diversity index 55.3/100
Simpson diversity index - at 55.3, Sea-Tech is about as mixed as the North Carolina school average of 56.1.
Programs
AP program Not offered
Gifted & talented Yes
District finance for New Hanover County Schools reports $13,808 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Sea-Tech Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Emsley a Laney High | Larger | Lower economic need | Higher S:T ratio |
| John T Hoggard High | Larger | Lower economic need | Similar S:T ratio |
| Eugene Ashley High | Larger | Lower economic need | Higher S:T ratio |
| New Hanover High | Larger | Similar economic need | Lower S:T ratio |
| Charles P Murray Middle | Larger | Lower economic need | Similar S:T ratio |
Comparisons are relative to Sea-Tech's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,082
- Students per teacher
- 18.6:1
- Resource Index
- 43/100
- Enrollment
- 1,893
- Students per teacher
- 19.3:1
- Resource Index
- 34/100
- Enrollment
- 1,437
- Students per teacher
- 14.7:1
- Resource Index
- 41/100
- Enrollment
- 907
- Students per teacher
- 17.1:1
- Resource Index
- 45/100
Similar high schools in Castle Hayne
1 comparable high schools (grades 9-12) serving the same city.
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~227 students)
Frequently asked questions about Sea-Tech
How many students attend Sea-Tech?
Sea-Tech has 227 students enrolled. It is a high school in Castle Hayne, NC. CCD year-over-year: 230 (2022-23) → 265 (2023-24), up 35.
What is the student-teacher ratio at Sea-Tech?
The student-teacher ratio at Sea-Tech is 17.5:1, which is 11% higher than the North Carolina average of 15.8:1 and 11% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Sea-Tech?
97.8% of students at Sea-Tech are eligible for free lunch, compared to the North Carolina average of 66.0%.
What is the racial and ethnic makeup of Sea-Tech?
The largest demographic group at Sea-Tech is White at 63.4% of enrollment, in Castle Hayne, NC. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.3/100.
What is the Resource Investment Index for Sea-Tech?
Sea-Tech has a Resource Investment Index of 61/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Sea-Tech rank among public schools in Castle Hayne?
By Resource Investment Index, Sea-Tech ranks #1 of 4 public schools in Castle Hayne, NC. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.
What other schools are in New Hanover County Schools?
Besides Sea-Tech, New Hanover County Schools also operates Emsley a Laney High (2,243 students), John T Hoggard High (2,082 students), and Eugene Ashley High (1,893 students). See the New Hanover County Schools district page for the complete list.