Enrollment
960
Delaware · 2024-25 NCES data
2024-25 NCES data High school (grades 9-12) NCES 100153000158
Seaford Senior High School — Seaford, DE
Federal NCES profile for Seaford Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 21/100.
👥 Class size 30
📚 AP courses 40
🌟 Gifted program 30
🎓 Counselors 4
📋 Attendance 0
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
School address
District: Seaford School District · Delaware
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
50.0
Federal CCD staff survey
Students per teacher
17.6:1
vs 14.1:1 Delaware avg
+25% vs state
Student-teacher ratio in context
How Seaford Senior High School compares with Delaware and U.S. medians
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Seaford Senior High School reports 960 enrolled students to the National Center for Education Statistics (NCES) alongside 50.0 full-time-equivalent teachers, producing a 17.6:1 student-teacher ratio. That figure sits 25% above the Delaware state mean of 14.1:1, signalling larger average class loads than peers in the same state. Against the national 2024-25 average of 15.9:1, it is 11% higher, a useful calibration for families comparing districts across state lines.
The school offers 8 Advanced Placement courses, a stronger academic pipeline indicator than enrollment alone. Counselor coverage works out to roughly 480 students per counselor, above the ASCA-recommended ceiling of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 53.8% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Seaford School District spends $18,856 per pupil district-wide, above the Delaware average of $18,485 and below the national average of $19,490. Revenue comes 15.9% from local sources (property taxes), 63.1% from the state, and 20.9% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 21/100 (F), calculated from 5 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Seaford Senior High School compares
Cross-validating school-level NCES values against Delaware state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs Delaware | Delaware avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.6:1 | ▲ 25% | 14.1:1 | 15.9:1 |
| Enrollment | 960 | top 86% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
Staffing depth
17.6:1
students per teacher
— 25% above state mean
Top 90% in Delaware — lower ratio than 10% of state schools
Between 15:1 and 20:1 — in line with the typical U.S. public-school staffing range.
Engagement
53.8%
chronically absent (missed 10%+ of school days)
Chronic absenteeism at or above 20% — the CDC threshold for "high" — signals significant barriers to regular attendance.
Funding equity
$18,856
per pupil, district-wide
— above Delaware avg of $18,485
Below the U.S. average per-pupil spend — funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors2.0 FTE
Per 480 students — the combined health-and-guidance staffing load for this school.
Discipline context
80
in-school suspensions + 124 out-of-school
Suspension rate: 8.3 per 100 students. Combined in-school and out-of-school rate: 21.3 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Overview
Enrollment 960 Top 86% in Delaware — larger than 14% of 223 state schools
Teachers (FTE) 50.0
Students per teacher 17.6:1 +25% vs state
Free-lunch eligible —
NCES ID 100153000158
Student demographics
African American 39.3%
Hispanic or Latino 29.7%
White 23.9%
Two or More 6.4%
Asian 0.6%
American Indian / Alaska Native 0.2%
Largest group: African American at 39.3% of enrollment.
Programs & staff
AP courses offered 8
Counselors (FTE) 2.0
Students per counselor 480:1
Discipline & special education
Chronically absent 53.8%
In-school suspensions 80
Out-of-school suspensions 124
Expulsions 1
Funding & spending
District-wide per-pupil expenditure for Seaford School District, which includes Seaford Senior High School.
$18,856
Per student
+2%
vs Delaware
Avg $18,485
-3%
vs U.S.
Avg $19,490
Revenue mix
Local 15.9%
State 63.1%
Federal 20.9%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
Other Schools in This District
- Enrollment
- 800
- Students per teacher
- 13.8:1
- Enrollment
- 473
- Students per teacher
- 14.6:1
- Enrollment
- 456
- Students per teacher
- 12.8:1
- Enrollment
- 424
- Students per teacher
- 14.4:1
- Enrollment
- 410
- Students per teacher
- 15.2:1
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
Frequently asked questions about Seaford Senior High School
How many students attend Seaford Senior High School?
Seaford Senior High School has 960 students enrolled. It is a high school in Seaford, DE.
What is the student-teacher ratio at Seaford Senior High School?
The student-teacher ratio at Seaford Senior High School is 17.6:1, which is 25% higher than the Delaware average of 14.1:1 and 11% higher than the national average of 15.9:1.
What is the racial and ethnic makeup of Seaford Senior High School?
The largest demographic group at Seaford Senior High School is African American at 39.3%. The school serves a diverse student body in Seaford, DE.
What is the Resource Investment Index for Seaford Senior High School?
Seaford Senior High School has a Resource Investment Index of 21/100 (F) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.