Enrollment
920
Delaware · 2024-25 NCES data
2024-25 NCES data High school (grades 9-12) NCES 100130000274
Mckean (Thomas) High School — Wilmington, DE
Federal NCES profile for Mckean (Thomas) High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 34/100.
👥 Class size 48
📚 AP courses 40
🌟 Gifted program 30
🎓 Counselors 54
📋 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: Red Clay Consolidated 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)
71.0
Federal CCD staff survey
Students per teacher
13.1:1
vs 14.1:1 Delaware avg
-7% vs state
Student-teacher ratio in context
How Mckean (Thomas) 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
Mckean (Thomas) High School reports 920 enrolled students to the National Center for Education Statistics (NCES) alongside 71.0 full-time-equivalent teachers, producing a 13.1:1 student-teacher ratio. That figure sits 7% below the Delaware state mean of 14.1:1, signalling more teacher attention per pupil than the state benchmark. Against the national 2024-25 average of 15.9:1, it is 18% lower, 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 230 students per counselor, meeting the American School Counselor Association recommendation of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 45.9% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Red Clay Consolidated School District spends $23,101 per pupil district-wide, above the Delaware average of $18,485 and above the national average of $19,490. Revenue comes 37.2% from local sources (property taxes), 48.1% from the state, and 14.7% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 34/100 (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 Mckean (Thomas) 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 | 13.1:1 | ▼ 7% | 14.1:1 | 15.9:1 |
| Enrollment | 920 | top 83% | — | — |
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
13.1:1
students per teacher
— 7% below state mean
Top 35% in Delaware — lower ratio than 65% of state schools
Below the 15:1 benchmark — typical of schools with smaller class sizes and more individualized attention.
Engagement
45.9%
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
$23,101
per pupil, district-wide
— above Delaware avg of $18,485
Above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors4.0 FTE
Per 230 students — the combined health-and-guidance staffing load for this school.
Discipline context
86
in-school suspensions + 153 out-of-school
Suspension rate: 9.3 per 100 students. Combined in-school and out-of-school rate: 26.0 per 100 students. Reported via the Civil Rights Data Collection. Includes 5 expulsions.
Overview
Enrollment 920 Top 83% in Delaware — larger than 17% of 223 state schools
Teachers (FTE) 71.0
Students per teacher 13.1:1 -7% vs state
Free-lunch eligible —
NCES ID 100130000274
Student demographics
Hispanic or Latino 41.5%
African American 27.9%
White 25.7%
Two or More 3.3%
Asian 1.0%
American Indian / Alaska Native 0.7%
Largest group: Hispanic or Latino at 41.5% of enrollment.
Programs & staff
AP courses offered 8
Counselors (FTE) 4.0
Students per counselor 230:1
Discipline & special education
Chronically absent 45.9%
In-school suspensions 86
Out-of-school suspensions 153
Expulsions 5
Funding & spending
District-wide per-pupil expenditure for Red Clay Consolidated School District, which includes Mckean (Thomas) High School.
$23,101
Per student
+25%
vs Delaware
Avg $18,485
+19%
vs U.S.
Avg $19,490
Revenue mix
Local 37.2%
State 48.1%
Federal 14.7%
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
- 1,164
- Students per teacher
- 18:1
- Enrollment
- 1,027
- Students per teacher
- 16.5:1
- Enrollment
- 941
- Students per teacher
- 17.9:1
- Enrollment
- 941
- Students per teacher
- 15.5:1
- Enrollment
- 764
- Students per teacher
- 15.7:1
Similar high schools in Wilmington
6 comparable high schools (grades 9-12) serving the same city.
Delcastle Technical High School
Vocational / career-technical school
1,605 students 12.4:1 students per teacher
Mount Pleasant High School
Standard public school
1,084 students 14.4:1 students per teacher
Concord High School
Standard public school
994 students 13.9:1 students per teacher
Charter School of Wilmington
Standard public school
977 students 19:1 students per teacher
Howard High School of Technology
Vocational / career-technical school
905 students 13.5:1 students per teacher
Brandywine High School
Standard public school
897 students 13.8:1 students per teacher
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 Mckean (Thomas) High School
How many students attend Mckean (Thomas) High School?
Mckean (Thomas) High School has 920 students enrolled. It is a high school in Wilmington, DE.
What is the student-teacher ratio at Mckean (Thomas) High School?
The student-teacher ratio at Mckean (Thomas) High School is 13.1:1, which is 7% lower than the Delaware average of 14.1:1 and 18% lower than the national average of 15.9:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Mckean (Thomas) High School?
The largest demographic group at Mckean (Thomas) High School is Hispanic or Latino at 41.5%. The school serves a diverse student body in Wilmington, DE.
What is the Resource Investment Index for Mckean (Thomas) High School?
Mckean (Thomas) High School has a Resource Investment Index of 34/100 (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.