- Enrollment
- 1,198
- Students per teacher
- 15.2:1
- Resource Index
- 39/100
High school (grades 9-12) · Wilmington, DE
Delcastle Technical High School
Federal NCES profile for Delcastle Technical High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 100128000154
👥 S:T ratio 50
🌟 Gifted program 30
🎓 Counselors 47
📋 Attendance 35
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Delcastle Technical High School earns 40/100 on the Resource Investment Index, with class sizes near the Delaware median. It is also one of the largest schools in Delaware.
- #2 of 9
- high schools in Wilmington · Resource Index
- 40
- Resource Index · Typical
- 12.5:1
- students per teacher
- 1,605
- students enrolled
Delcastle Technical High School has class sizes near the Delaware median. Computed live against every Delaware school reporting to NCES.
By Resource Investment Index, Delcastle Technical High School ranks #2 of 9 high schools in Wilmington, DE.
School address
NCES ID 100128000154 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+13 students YoY
Delcastle Technical High School held near 1,598 students from 2022-23 to 2023-24 (+13 headcount).
Teacher FTE lost 128.0 → 123.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+13 students YoY 100128000154 · Wilmington, DE High · MID · TRAD
1,605 enr · 12.5:1 · RII 40
Nearest enrollment peer: St. Georges Technical High School (1,198 students)
Delcastle Technical High School held near 1,598 students from 2022-23 to 2023-24 (+13 headcount). Teacher FTE lost 128.0 → 123.0 across the same CCD years. Read with this school → · District book → · Delaware schools → · Find another →
Delcastle Technical High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Delcastle Technical High School
1,605 students
- St. Georges Te
St. Georges Technical High School
1,198 students
- Hodgson (Paul
Hodgson (Paul M.) Vocational Technical High School
1,104 students
- Howard High Sc
Howard High School of Technology
905 students
What this shows Delcastle Technical High School reports 1,605 students on the CCD universe file.
How Delcastle Technical High School compares
Delcastle Technical High School held steady on CCD headcount: ratios and free-lunch share vs Delaware and U.S. means.
| Metric | This school | vs Delaware | Delaware avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.5:1 | ▼ 10% | 13.9:1 | 15.7:1 |
| Enrollment | 1,605 | top 4% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.5:1
Leaner classes than 71% of US schools, among the more generously staffed nationally.
1,605
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Staffing depth
12.5:1
students per teacher
- 10% below state mean
Top 32% in Delaware - lower ratio than 68% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
26.1%
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
$22,587
per pupil, district-wide
- above Delaware avg of $18,304
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors6.0 FTE
Per 268 students, the combined health-and-guidance staffing load for this school.
Discipline context
86
in-school suspensions + 125 out-of-school
Suspension rate: 5.4 per 100 students. Combined in-school and out-of-school rate: 13.1 per 100 students. Reported via the Civil Rights Data Collection. Includes 8 expulsions.
Student demographics
Hispanic or Latino 44.0%
African American 30.1%
White 19.8%
Two or More 4.5%
Asian 0.9%
American Indian / Alaska Native 0.6%
Native Hawaiian / Pacific Islander 0.1%
Largest group: Hispanic or Latino at 44.0% of enrollment.
Student-body diversity index 67.4/100
Simpson diversity index - at 67.4, Delcastle Technical High School is more mixed than the Delaware school average of 61.3.
Programs
AP program Not offered
District finance for New Castle County Vocational-Technical School District reports $22,587 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Delcastle Technical High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| St. Georges Technical High School | Smaller | No free-lunch data | Higher S:T ratio |
| Hodgson (Paul M.) Vocational Technical High School | Smaller | No free-lunch data | Similar S:T ratio |
| Howard High School of Technology | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Delcastle Technical High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,104
- Students per teacher
- 13.8:1
- Resource Index
- 33/100
- Enrollment
- 905
- Students per teacher
- 13.7:1
- Resource Index
- 32/100
Similar high schools in Wilmington
6 comparable high schools (grades 9-12) serving the same city.
Mount Pleasant High School
Standard public school
1,084 students 14.1:1 students per teacher
Concord High School
Standard public school
994 students 13.6:1 students per teacher
Charter School of Wilmington
Standard public school
977 students 19.2:1 students per teacher
Mckean (Thomas) High School
Standard public school
920 students 13:1 students per teacher
Howard High School of Technology
Vocational / career-technical school
905 students 13.7:1 students per teacher
Brandywine High School
Standard public school
897 students 13:1 students per teacher
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~1,605 students)
Frequently asked questions about Delcastle Technical High School
How many students attend Delcastle Technical High School?
Delcastle Technical High School has 1,605 students enrolled. It is a high school in Wilmington, DE. CCD year-over-year: 1,585 (2022-23) → 1,598 (2023-24), nearly flat (+13).
What is the student-teacher ratio at Delcastle Technical High School?
The student-teacher ratio at Delcastle Technical High School is 12.5:1, which is 10% lower than the Delaware average of 13.9:1 and 20% 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 Delcastle Technical High School?
The largest demographic group at Delcastle Technical High School is Hispanic or Latino at 44.0% of enrollment, in Wilmington, DE. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 67.4/100.
What is the Resource Investment Index for Delcastle Technical High School?
Delcastle Technical High School has a Resource Investment Index of 40/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Delcastle Technical High School rank among high schools in Wilmington?
By Resource Investment Index, Delcastle Technical High School ranks #2 of 9 high 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 high schools in Wilmington on the city page.
What other schools are in New Castle County Vocational-Technical School District?
Besides Delcastle Technical High School, New Castle County Vocational-Technical School District also operates St. Georges Technical High School (1,198 students), Hodgson (Paul M.) Vocational Technical High School (1,104 students), and Howard High School of Technology (905 students). See the New Castle County Vocational-Technical School District district page for the complete list.