Enrollment
408
Delaware · 2024-25 NCES data
Middle school (grades 6-8) · Wilmington, DE
Skyline Middle School
Federal NCES profile for Skyline Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 37/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 100130000267
👥 S:T ratio 59
🌟 Gifted program 30
🎓 Counselors 59
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Skyline Middle School earns 37/100 on the Resource Investment Index, with class sizes smaller than 85% of Delaware schools.
- #5 of 5
- middle schools in Wilmington · Resource Index
- 37
- Resource Index · Typical
- 10.2:1
- small classes for Delaware
- 408
- students enrolled
Skyline Middle School has class sizes smaller than 85% of Delaware schools. Computed live against every Delaware school reporting to NCES.
By Resource Investment Index, Skyline Middle School ranks #5 of 5 middle schools in Wilmington, DE.
School address
District: Red Clay Consolidated School District · Delaware
NCES ID 100130000267 Verify on NCES CCD record →
Teachers (FTE)
40.0
Federal CCD staff survey
Students per teacher
10.2:1
vs 13.9:1 Delaware avg
-27% vs state
Student-teacher ratio in context
How Skyline Middle School compares with Delaware and U.S. medians
What stands out at Skyline Middle School
Skyline Middle School is a mid-sized middle school in Wilmington, Delaware, enrolling 408 students.
Classes run notably small here: at 10.2:1, Skyline Middle School is leaner than roughly 85% of Delaware schools and 27% under the state's 13.9:1 norm, more adult attention per pupil than most peers.
Enrollment of 408 puts it in the smaller third of Delaware schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 222 scored Delaware schools.
Its student body is led by African American (53%) and Hispanic or Latino (24%) (diversity index 63/100).
Counselor coverage is strong, about 204 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 51.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Red Clay Consolidated School District spends $21,267 per pupil, 25% above the Delaware average, a better-resourced district than most.
Discipline events run high: 194 in- and out-of-school suspensions were reported for 408 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Among Wilmington's middle schools, it stands alongside Talley Middle School (900 students): Skyline Middle School is smaller than that campus by headcount and runs leaner classes (10.2:1 vs 14.1:1).
Red Clay Consolidated School District also operates Conrad Schools of Science (1,164 students) and Dickinson (John) School (1,027 students) alongside Skyline Middle School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Skyline Middle School compares
Skyline Middle School on the metrics families compare, against Delaware and U.S. means.
| Metric | This school | vs Delaware | Delaware avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.2:1 | ▼ 27% | 13.9:1 | 15.7:1 |
| Enrollment | 408 | top 70% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.2:1
Leaner classes than 88% of US schools, among the more generously staffed nationally.
408
Bigger than 49% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
10.2:1
students per teacher
- 27% below state mean
Top 15% in Delaware - lower ratio than 85% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
51.5%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$21,267
per pupil, district-wide
- above Delaware avg of $16,990
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors2.0 FTE
Per 204 students, the combined health-and-guidance staffing load for this school.
Discipline context
59
in-school suspensions + 135 out-of-school
Suspension rate: 14.5 per 100 students. Combined in-school and out-of-school rate: 47.5 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
African American 53.2%
Hispanic or Latino 23.5%
White 16.9%
Two or More 3.2%
Asian 2.9%
American Indian / Alaska Native 0.2%
Largest group: African American at 53.2% of enrollment.
Student-body diversity index 63.1/100
Simpson diversity index - at 63.1, Skyline Middle School is about as mixed as the Delaware school average of 61.3.
Programs
Funding & spending
District-wide per-pupil expenditure for Red Clay Consolidated School District, which includes Skyline Middle School.
$21,267
Per student
+25%
vs Delaware
Avg $16,990
+28%
vs U.S.
Avg $16,593
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.
How Skyline Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Conrad Schools of Science | Larger | No free-lunch data | Higher S:T ratio |
| Dickinson (John) School | Larger | No free-lunch data | Higher S:T ratio |
| Calloway (Cab) School of the Arts | Larger | No free-lunch data | Higher S:T ratio |
| Brandywine Springs School | Larger | No free-lunch data | Higher S:T ratio |
| Mckean (Thomas) High School | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Skyline Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,164
- Students per teacher
- 17.9:1
- Resource Index
- 40/100
- Enrollment
- 1,027
- Students per teacher
- 16:1
- Resource Index
- 34/100
- Enrollment
- 941
- Students per teacher
- 18.1:1
- Resource Index
- 43/100
- Enrollment
- 941
- Students per teacher
- 15.4:1
- Resource Index
- 47/100
- Enrollment
- 920
- Students per teacher
- 13:1
- Resource Index
- 33/100
Similar middle schools in Wilmington
4 comparable middle schools (grades 6-8) serving the same city.
Talley Middle School
Standard public school
900 students 14.1:1 students per teacher
Springer Middle School
Standard public school
776 students 13.4:1 students per teacher
Dupont (Pierre S.) Middle School
Standard public school
730 students 10.7:1 students per teacher
Stanton Middle School
Standard public school
558 students 13.3:1 students per teacher
Similar middle schools statewide
Matched by enrollment size and by staffing ratio across all of Delaware, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~408 students)
Similar student-teacher ratio (~10.2:1)
Next steps
Verify locally before acting on Skyline Middle School's federal record.
- Compare Skyline Middle School against another school. Compare schools
- Red Clay Consolidated School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Skyline Middle School
How many students attend Skyline Middle School?
Skyline Middle School has 408 students enrolled. It is a middle school in Wilmington, DE.
What is the student-teacher ratio at Skyline Middle School?
The student-teacher ratio at Skyline Middle School is 10.2:1, which is 27% lower than the Delaware average of 13.9:1 and 35% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Skyline Middle School?
The largest demographic group at Skyline Middle School is African American at 53.2% of enrollment, in Wilmington, DE. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 63.1/100.
What is the Resource Investment Index for Skyline Middle School?
Skyline Middle School has a Resource Investment Index of 37/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Skyline Middle School rank among middle schools in Wilmington?
By Resource Investment Index, Skyline Middle School ranks #5 of 5 middle schools in Wilmington, DE. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Wilmington on the city page.
Is Skyline Middle School a good school?
Skyline Middle School earns 37/100 on the Resource Investment Index, with class sizes smaller than 85% of Delaware schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Red Clay Consolidated School District?
Besides Skyline Middle School, Red Clay Consolidated School District also operates Conrad Schools of Science (1,164 students), Dickinson (John) School (1,027 students), and Calloway (Cab) School of the Arts (941 students). See the Red Clay Consolidated School District district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.