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Average

#1201 of 2,648 schools in NC

Top 45% in state

Sea-tech

High School · New Hanover County Schools · Castle Hayne, NC

A New Hanover County Schools high school where students score 44 points above what's typical for similar communities.

5301 Sidbury Road, Castle Hayne, NC 28429

  • Math 98% vs NC 56% (2025)
  • Reading 83% vs NC 54% (2025)
  • 4/5 advanced STEM subjects

Academics

Full Profile · 4/4 metrics
Student Progress10.0Excellent25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data5
Annual Change+5.97 pts/yr
Data Period2018–2025
TrendImproving
Academics9.8Excellent25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency98.4% (2025 NC)
Reading/ELA Proficiency83.3% (2025 NC)
Math vs. State Avg+42.4 pts
Reading vs. State Avg+29.7 pts
Overall Proficiency91% (2025 NC, Math+ELA)
Expected (poverty-adj.)47% (model expectation from 2025 NC)
vs. Expected+44.3 pts
Adjusted Percentile97th
College Readiness2.6Needs Improvement30%
Graduation rates, AP course participation, and IB availability.
View breakdown
IB ProgramNo
Resources & Environment4.5Below Average20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio17.7:1
District spending per student$13,808

Students at Sea-tech score 91% proficient, which is above what's typical for similar communities (expected: 47%).

How we calculate scores →

2025 NC proficiency

Most recent published year. School vs. NC average.

Math Proficiency98%(2025 NC)
School
State
56%(2025 NC)
ELA Proficiency83%(2025 NC)
School
State
54%(2025 NC)

Trend

↑ Improving

Proficiency has improved 16 points since 2019, reaching 91% in 2025, across a 8-year record (2018–2025).

Show all 5 years by subject
2018
ELA
75%
2019
ELA
75%
2020*
Math
50%
ELA
75%
2021*
Math
50%
ELA
75%
2025
Math
98%
ELA
83%

Multi-year averages used by the rating model: math 66% (multi-year average, 2020-2025) · reading/ELA 76% (multi-year average, 2018-2025)

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Based on 8 test records from NC state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

98.9%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Sea-tech sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.

Getting around & local context

  • Walk 10Car-Dependent
  • Bike 31Somewhat Bikeable
  • County Safety: Average602/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · county context, not school-level safety or attendance eligibility. Source details

Source period: 2024. A newer release may be available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$73,259

Median home value

$231,900

Median rent

$870/mo

College educated

25.2%

Homeownership

88.3%

Poverty rate

17.7%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 28429; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

Advanced STEM Courses4of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC via Urban Institute · SY 2021–22
Gifted & Talented ProgramAvailable
This school offers a gifted and talented program for qualifying students.·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

0 from a 5-mile search; district fallback available

No verified same-level alternatives

The available nearby set has no same-level school with a verified grade span.

New Hanover County Schools

Schools in district
42
Rank in district
#27 of 41
District spending per student
$13,808NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
12.9%Census SAIPE · 2024

Sea-tech is listed in New Hanover County Schools; a district label does not verify attendance for an address.

About Sea-tech

Sea-tech is a public high school in Castle Hayne, NC, part of New Hanover County Schools, serving approximately 265 students in grades 9th-UG with a 17.7:1 student-teacher ratio. It holds a MySchoolScout rating of 6.6 out of 10 and ranks #1,201 of 2,648 schools in NC. State assessment records show 66% math proficiency (multi-year average, 2020-2025) and 76% reading/ELA proficiency (multi-year average, 2018-2025).

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 ranks #1,201 of 2,648 schools in NC.

What is Sea-tech's MySchoolScout rating?

Sea-tech has a current MySchoolScout rating of 6.6 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Sea-tech?

Based on loaded state assessment records, Sea-tech has 66% math proficiency (multi-year average, 2020-2025) and 76% reading/ELA proficiency (multi-year average, 2018-2025).

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.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
9th – UG
Enrollment
265
Student-Teacher Ratio
17.7:1
Teachers (FTE)
15
Type
vocational
Setting
Fringe Rural
County
New Hanover County
Area population (ZIP 28429)
9,083
Area average commute
21.8 min
Area median age
44.1
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2025 NC · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2025 NC · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 28429; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2020-2025, multi-year average, 2018-2025; directory SY 2023–24

About our data · How we calculate scores

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