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Average

#153 of 219 schools in DE

Seaford Senior High School

High School · Seaford School District

399 North Market Street Ext, Seaford, DE 19973

Enrollment

833

Student-Teacher

17:1

Score

5.5

Grades

9th – 12th

Updated 2022-23

How this school compares

In Seaford

#5 of 6

public schools

Delaware high schools

#35 of 42

In district

#5 of 6

Seaford School District

Academic growth

9.5 / 10

Exceptional

About Seaford Senior High School

Seaford Senior High School serves students in grades 9 through 12 in Seaford, Delaware, with an enrollment of 833 students. The school maintains a student-teacher ratio of 17:1, supported by 49 full-time equivalent teachers, providing a structured learning environment for this mid-sized high school population. Academically, the school is working with significant challenges.

Math proficiency stands at 9 percent, while ELA/reading proficiency is at 25 percent across grade levels, both notably below state benchmarks. The school's state ranking places it at the 29th percentile among Delaware high schools, reflecting these areas of concern. With a MySchoolScout Rating of 4.9 out of 10 and an academic score of 2.5 out of 10, Seaford Senior High has substantial room for improvement in student achievement.

For families considering this school, it's important to understand that the current data reflects considerable academic challenges that may require additional support for students. Parents might want to explore what intervention programs and support services the school offers, as well as discuss their student's specific needs with school administrators. The school's location in the town of Seaford provides a community setting for this high school experience.

What Parents Should Know

While current test scores at Seaford Senior High School are below average, the school shows strong growth metrics — meaning students are making above-average progress year over year. This upward trajectory can be a positive indicator for families who value a school's ability to help students improve, even if absolute scores haven't caught up yet.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress9.5Exceptional25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change+0.97 pts/yr
Data Period2019–2022
TrendStable
Academics4.0Below Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency7.5%
Reading/ELA Proficiency27%
Overall Proficiency17%
Expected (poverty-adj.)26%
vs. Expected-8.7 pts
Adjusted Percentile21th
College Readiness4.3Below Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation12.5%
IB ProgramNo
Resources & Environment4.0Below Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio17:1
Per-Pupil Spending$17,673

Seaford Senior High School — Students at Seaford Senior High School score 17% proficient, which is below what's typical for similar communities (expected: 26%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

0.2%

Students qualifying for federal meal assistance

Test Scores DE EDFACTS (2021-22)

Math Proficiency 9.0%
School
State
N/A
ELA Proficiency 25.3%
School
State
N/A

Based on 6 test records from DE state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
7.5%
ELA
22%
2021*
Math
12%
ELA
27%
2022
Math
7.5%
ELA
27%

* 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: 9.5/10.

How Seaford Senior High School Compares

See how Seaford Senior High School performs across key quality dimensions compared to state benchmarks.

Overall Score
5.5/10
31th percentile in DE
Academic
4.0/10
4.0/10
Growth
9.5/10
Above average
Environment
4.0/10
Below average

Location

399 North Market Street Ext, Seaford, DE 19973

Nearby Alternatives

Families considering Seaford Senior High School may also want to explore other high schools in the area. Woodbridge High School (rated 5.7/10, 8.7 miles away, in nearby Greenwood), with a very similar rating. Another option is Sussex Technical High School (rated 5.3/10, 9.3 miles away, in nearby Georgetown), with a very similar rating. Additionally, Laurel Senior High School (rated 4.7/10, 7.7 miles away, in nearby Laurel), with a comparable rating. For more schools in Seaford, see our Seaford schools guide .

Nearby Schools

20 within 9.3 mi
School Distance Rating
Seaford Central Elementary School Seaford 0.1 mi 6.7
Sussex Orthopedic Program Seaford 0.1 mi
Seaford Middle School Seaford 0.2 mi 6.1
Frederick Douglass Elementary School Seaford 0.7 mi 5.6
West Seaford Elementary School Seaford 1.2 mi 4.9
Blades Elementary School Blades 1.5 mi 5.6
Sussex Montessori School Seaford 1.5 mi 6.6
CHILD CRAFT COMPANY Seaford 2.0 mi 7.4
Woodbridge Middle School Bridgeville 6.1 mi 6.8
North Laurel Early Learning Academy Laurel 6.5 mi 6.2
Phillis Wheatley Elementary School Bridgeville 6.8 mi 7.0
Laurel Elementary School Laurel 7.3 mi 5.2
Laurel Senior High School Laurel 7.7 mi 4.7
Laurel Middle School Laurel 7.8 mi 4.8
Woodbridge High School Greenwood 8.7 mi 5.7
EPWORTH CHRISTIAN SCHOOL Laurel 7.5 mi 5.9
Woodbridge Early Childhood Education Center Greenwood 10.6 mi 7.0
GREENWOOD MENNONITE SCHOOL Greenwood 11.3 mi 6.1
Federalsburg Elementary School Federalsburg 9.3 mi 8.7
Sussex Technical High School Georgetown 9.3 mi 5.3

Neighborhood Census ACS (2019-2023)

Census data for ZIP 19973 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$62,668

Median Home Value

$254,300

Median Rent

$1,131/mo

Population

25,786

College Educated

17.9%

Homeownership

73.1%

Avg Commute

28.7 min

Poverty Rate

16.4%

Median Age

42.9

Community Profile

The community surrounding Seaford Senior High School has a median household income of $62,668. It is a community where 18% of adults hold a bachelor's degree or higher. The median home value in the area is $254,300, with a median rent of $1,131/month. The area has a poverty rate of 16.4%. The average commute for residents is 29 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
Delmar High School Delmar, DE 5.5
Delaware Military Academy Wilmington, DE 5.4
Woodbridge High School Greenwood, DE 5.7
Early College School at Del State Dover, DE 5.2
ST MARK'S HIGH SCHOOL Wilmington, DE 5.2
Lake Forest High School Felton, DE 5.1

Frequently Asked Questions

Common questions about Seaford Senior High School

What grades does Seaford Senior High School serve?

Seaford Senior High School serves students in grades 9th through 12th.

How many students attend Seaford Senior High School?

Seaford Senior High School has an enrollment of approximately 833 students.

What is the student-teacher ratio at Seaford Senior High School?

The student-teacher ratio at Seaford Senior High School is 17:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Seaford Senior High School rank in DE?

Seaford Senior High School is ranked #153 out of 219 schools in DE.

What is Seaford Senior High School's MySchoolScout rating?

Seaford Senior High School has a composite rating of 5.5 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 Seaford Senior High School?

Based on the most recent state assessment data, Seaford Senior High School has 9.0% math proficiency and 25.3% reading/ELA proficiency.

Is Seaford Senior High School a charter school?

No, Seaford Senior High School is not a charter school. It is a traditional public school operated by the local school district.

Is Seaford Senior High School a Title I school?

No, Seaford Senior High School is not currently a Title I school.

11 schools nearby View map →

Neighborhood Context

City Safety
High (5,701/100K)

FBI UCR 2024. City-level (Seaford). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
833
Student-Teacher Ratio
17:1
Teachers (FTE)
49
Type
regular
Setting
Distant Town
County
Sussex County
Data Year
2023–2024

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 methodology

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