Excellent
#354 of 2,648 schools in NC
Top 13% in state
Sea-tech
High School · New Hanover County Schools
5301 Sidbury Road, Castle Hayne, NC 28429
Enrollment
265
Student-Teacher
17.7:1
Score
8.2
Grades
9th – UG
Enrollment
265
Student-Teacher
17.7:1
Score
8.2
Grades
9th – UG
Updated
2022-23
Updated 2022-23
How this school compares
In Castle Hayne
#2 of 4
public schools
North Carolina high schools
#12 of 579
In district
#7 of 41
New Hanover County Schools
Equity
10.0 / 10
Exceptional
About Sea-tech
Sea-tech is a public high school in Castle Hayne, NC, part of the New Hanover County Schools. The school serves approximately 265 students in grades 9th – UG with a student-teacher ratio of 17.7:1. It holds a MySchoolScout rating of 8.2/10, placing it in the 86.7th percentile among NC schools — an above average rating overall.
Students demonstrate 68% proficiency in math, 12 points above the state average and 77% in reading/language arts, 24 points above the state average. The school scores particularly well in student growth (9.9/10). Located in a neighborhood with a median household income of $73,259, where 25% of adults hold a bachelor's degree or higher.
The school is situated in a fringe rural setting.
What Parents Should Know
Located in a rural area, Sea-tech may involve longer commutes for some families. Rural schools often serve as community anchors and may have smaller class sizes, but parents should consider transportation logistics, after-school program availability, and access to specialized services.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Sea-tech — Students at Sea-tech score 84% proficient, which is above what's typical for similar communities (expected: 45%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
98.9%
Students qualifying for federal meal assistance
Test Scores NC NC (2024-25)
Based on 5 test records from NC state assessments. About our data
Proficiency Trend
↑ ImprovingAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.9/10.
How Sea-tech Compares
See how Sea-tech performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has improved from 49.5% (2021) to 85.7% (2025). Reading/ELA proficiency has improved from 74.5% (2019) to 83.3% (2025).
Location
5301 Sidbury Road, Castle Hayne, NC 28429
Nearby Alternatives
Families considering Sea-tech may also want to explore other high schools in the area. Girls Leadership Academy of Wilmington (rated 7.3/10, 5.8 miles away, in nearby Wilmington), with a comparable rating. Another option is Wilmington Early College High (rated 5.9/10, 0.9 miles away), a more accessible option. Additionally, Career Readiness Academy at Mosley PLC (rated 4.7/10, 6.4 miles away, in nearby Wilmington), a more accessible option. For more schools in Castle Hayne, see our Castle Hayne schools guide .
Nearby Schools
20 within 6.6 mi| School | Distance | Rating |
|---|---|---|
| Wilmington Early College High Castle Hayne | 0.9 mi | 5.9 |
| Holly Shelter Middle Castle Hayne | 1.9 mi | 7.8 |
| Emma B Trask Middle Wilmington | 2.2 mi | 7.5 |
| Castle Hayne Elementary Castle Hayne | 2.0 mi | 9.0 |
| Emsley A Laney High Wilmington | 2.3 mi | 4.4 |
| Murrayville Elementary Wilmington | 2.5 mi | 7.7 |
| WILMINGTON CHRISTIAN ACADEMY Wilmington | 4.4 mi | 4.6 |
| Wrightsboro Elementary Wilmington | 4.1 mi | 7.2 |
| Dr Hubert Eaton Sr Elem Wilmington | 4.9 mi | 8.3 |
| John J Blair Elementary Wilmington | 5.5 mi | 5.3 |
| M C S Noble Middle Wilmington | 5.7 mi | 5.9 |
| Girls Leadership Academy of Wilmington Wilmington | 5.8 mi | 7.3 |
| Ogden Elementary Wilmington | 5.6 mi | 7.1 |
| Cape Fear Middle Rocky Point | 5.8 mi | 7.8 |
| Pender Innovative Learning Academy Rocky Point | 5.8 mi | 4.1 |
| Cape Fear Elementary Rocky Point | 5.9 mi | 5.0 |
| PROVIDENCE PREPARATORY ACADEMY Wilmington | 6.4 mi | 4.7 |
| Career Readiness Academy at Mosley PLC Wilmington | 6.4 mi | 4.7 |
| College Park Elementary Wilmington | 6.6 mi | 4.8 |
| Wilmington Preparatory Academy Wilmington | 6.6 mi | 6.5 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 28429 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$73,259
Median Home Value
$231,900
Median Rent
$870/mo
Population
9,083
College Educated
25.2%
Homeownership
88.3%
Avg Commute
21.8 min
Poverty Rate
17.7%
Median Age
44.1
Community Profile
The community surrounding Sea-tech has a median household income of $73,259. It is an area where 25% of adults hold a bachelor's degree or higher. The median home value in the area is $231,900, with a median rent of $870/month. The area has a poverty rate of 17.7%. The average commute for residents is 22 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Vernon Malone College and Career Academy Raleigh, NC | 8.1 |
| GTCC Middle College High Jamestown, NC | 8.0 |
| Edgecombe Early College High Tarboro, NC | 7.9 |
| Middle College at GTCC-Greensboro Jamestown, NC | 7.9 |
| POPE JOHN PAUL II CATHOLIC H S Greenville, NC | 7.9 |
| Williams Secondary Montessori Charlotte, NC | 7.9 |
Frequently Asked Questions
Common questions about Sea-tech
What grades does Sea-tech serve?
Sea-tech serves students in grades 9th through UG.
How many students attend Sea-tech?
Sea-tech has an enrollment of approximately 265 students.
What is the student-teacher ratio at Sea-tech?
The student-teacher ratio at Sea-tech is 17.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Sea-tech rank in NC?
Sea-tech is ranked #354 out of 2,648 schools in NC.
What is Sea-tech's MySchoolScout rating?
Sea-tech has a composite rating of 8.2 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Sea-tech?
Based on the most recent state assessment data, Sea-tech has 67.6% math proficiency and 77.4% reading/ELA proficiency.
Is Sea-tech a charter school?
No, Sea-tech is not a charter school. It is a traditional public school operated by the local school district.
Is Sea-tech a Title I school?
No, Sea-tech is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Sea-tech?
98.9% of students at Sea-tech qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
Powered by 
FBI UCR 2024. County-level only. Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – UG
- Enrollment
- 265
- Student-Teacher Ratio
- 17.7:1
- Teachers (FTE)
- 15
- Free/Reduced Lunch
- 98.9%
- Type
- vocational
- Setting
- Fringe Rural
- County
- New Hanover County
- Phone
- (910) 530-6300
- Data Year
- 2023–2024
Resources & Links
District
New Hanover County Schools- District Enrollment
- 25,028
- Schools in District
- 42
- Per-Pupil Spending
- $13,808
- District Rank
- #7 of 41
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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