Mahadev Maitri Foundation
US Initiatives
High· 7 schools in district

Seaford Senior High School

399 North Market Street Ext, Seaford, DE 19973Seaford School District →
Federal DataRegular SchoolGrades 09–12Non-Charter
879
Students
Total enrolled
82%
Grad Rate
Nat'l avg 87%
↓ 5% vs nat'l
$18,856
Per-Pupil Spend
Nat'l avg $14,347
↑ 31% vs nat'l
17.6 : 1
Student:Teacher
Nat'l avg 15.4:1
↑ 14% vs nat'l
41/100
Opportunity Score
Neighborhood outcomes
↓ 18% vs nat'l
⇄ Compare with another school
Large public school
Serves 879 students in grades 09–12 in Seaford, Delaware.
31% above average funding
District spends $18,856 per pupil, 31% more than the national average of $14,347.
Below-median opportunity
Children from this neighborhood historically reach the 41th income percentile as adults, per Harvard/Census Opportunity Atlas data.
About This School

Seaford Senior High School is a large high in Seaford, Delaware, serving grades 09–12 with 879 students. The district invests $18,856 per student — 31% above the national average of $14,347, with a 17.6:1 student-teacher ratio near the national norm.

Student Body & Demographics at Seaford Senior High School

879
Total Students
17.6 : 1
Student:Teacher
—
Free Lunch
50
Teacher FTE
Grade Range
PK
K
1
2
3
4
5
6
7
8
9
10
11
12
Highlighted grades (09–12) are served by this school
Gender Distribution451 male · 428 female
51%
49%
Male 51%Female 49%
Student Composition
29%
25%
38%
Asian1%
White29%
Hispanic / Latino25%
Black38%
Multiracial6%
NCES Common Core of Data · Race/ethnicity self-reported · NCES ID: 100153000158

Academic Outcomes at Seaford Senior High School

Graduation Rate (Adjusted Cohort)
80-84
Near avg
National avg 87%
Graduation Rate Comparison
This school
82%
State avg
89%
National avg
87%
Neighborhood Opportunity Score
41
/ 100
Below-median opportunity

Children from modest-income families in this neighborhood reach the 41th income percentile as adults. This school is in the 33th percentile nationally.

0 — Low50 — MedianHigh — 100
Opportunity Atlas (Chetty, Friedman et al., Harvard/Census) · Census tract · ZIP 19973

School Resources & Funding

Per-Pupil Expenditure$18,856Above avg
National avg $14,347
Per-Pupil Spending Comparison
This school
$18,856
State avg
$18,485
National avg
$14,347
How School Funding Is Typically Spent
44%
19%
12%
15%
Instruction$8,297
Student Support$3,583
Administration$2,263
Operations$2,828
Other$1,886
Estimated using national average spending distribution (NCES) · School-level breakdowns not publicly reported
Of the $18,856 spent per student, an estimated $8,353 (~44%) goes directly to classroom instruction.
Where Funding Comes From
63%
16%
State government
63.1%
Local (property tax)
15.9%
Federal programs
20.9%
NCES F-33 Finance Survey · District-level data applied to this school
Strengths & Considerations
Strengths
  • 82% graduation rate — near the national average of 87%
  • Above-average funding — $18,856/student vs $14,347 nationally
  • Traditional public school — open enrollment, no application process required
Strengths and considerations are derived from federal data thresholds — not editorial judgements. See data sources below.
K–12 Pathway in District
Elementary
Seaford Central Elementary SchoolFrederick Douglass Elementary SchoolBlades Elementary SchoolWest Seaford Elementary School
↓
Middle
Seaford Middle School
School Profile
TypeRegular School
LevelHigh
Grades09 – 12
Location—
CountySussex County
CharterNo
VirtualNo
DistrictSeaford School District →
Phone: (302)629-4587
NCES ID: 100153000158
Who Is This School For?

Best suited for families in Seaford seeking a public high school, especially those prioritizing above-average resources and classroom investment. We always recommend an in-person visit and a conversation with current families before making any enrollment decision.

More in Seaford School District
Mid
Seaford Middle School
828 students · 06–08
● 41 opp
Elem
Seaford Central Elementary School
452 students · 03–05
● 41 opp
Elem
Frederick Douglass Elementary School
411 students · 03–05
● 41 opp
Elem
Blades Elementary School
396 students · KG–02
● 41 opp
Elem
West Seaford Elementary School
389 students · KG–02
● 41 opp
Other
Sussex Orthopedic Program
55 students · PK–12
● 41 opp
District School Rankings
Location
399 North Market Street Ext, Seaford, DE 19973
Data Sources & Transparency
Enrollment & Profile
NCES Common Core of Data. Grades, enrollment, demographics, school characteristics. Updated annually.
Funding & Spending
NCES F-33 Finance Survey. District-level spending data. School-level breakdowns are not publicly reported.
Graduation Rate
EDFacts Adjusted Cohort Graduation Rate (ACGR). High schools only. Small cohorts may be range-coded for privacy.
Opportunity Score
Opportunity Atlas (Chetty, Friedman et al., Harvard/Census Bureau). Census tract outcomes for children born in the 1980s.
Fact-Based Rankings
Best-school rankings are computed from federal metrics only — enrollment, per-pupil spending, student-teacher ratio, opportunity score, and graduation rate. No editorial opinion or paid placements.
Equity Data (Coming Soon)
AP access, counselor ratios, and chronic absenteeism from the CRDC will be added in a future update.

Questions to Ask on Your School Visit

Research shows the most important factors are invisible in the data. Here is what to ask when you visit.

High
1
What percentage of students take AP or dual enrollment courses?
Indicates academic rigor and college prep
2
What college counseling and application support is provided?
Ratio of students per counselor matters
3
What career and vocational pathways are offered?
CTE programs, internships, industry partnerships
4
How does the school support students at risk of not graduating?
Credit recovery, attendance intervention
5
What's the school's culture around attendance and behavior?
Discipline approach, restorative practices
6
What happens after graduation — where do students go?
Ask about college, career, military outcomes
7
What does the school do with student performance data?
How data is used to personalize instruction
8
How would you describe teacher retention here?
High turnover can disrupt continuity of learning
9
What's the culture around student diversity and inclusion?
How differences are celebrated and managed

Frequently Asked Questions

About this school and the data on this page

About This Data

All figures on this page come directly from US federal open datasets — NCES Common Core of Data, EDFacts, and the Opportunity Atlas — and we work hard to keep them accurate and up to date. That said, federal data is published on an annual cycle, so some figures may not yet reflect the very latest school-year changes or local updates. We recommend using this page as a helpful starting point and cross-checking with the school or district directly, or visiting the NCES Common Core of Data and ed.gov for the most authoritative figures before making any important decisions.