Delcastle Technical High School

Contact Information

Principal

Mr. John Greenly

Address

1417 Newport Road
Wilmington, DE 19804

Phone

(302) 995-8100

Title IX Coordinator

Dr. Clifton Hayes

Title IX Phone

(302) 995-8043
School Website
Mission Statement

Enrollment and Demographics

Enrollment: 1,634 (as of  September 30, 2025)

Enrollment by race and ethnicity
Group Percentage
Hispanic46.45%
Black28.58%
White19.16%
Multiracial4.10%
Asian1.16%
Native American0.49%
Pacific Islander0.06%

Student Characteristics

Low Income
23.62%
Students with Disabilities
11.81%
English Learners
14.44%
Homeless
1.1%

Academic Performance (2024-2025)

39.24%

English Language Arts Proficiency
Smarter Assessment (Grades 3-8) & SAT (Grade 11)

10.89%

Mathematics Proficiency
Smarter Assessment (Grades 3-8) & SAT (Grade 11)

Graduation Rates

95.5%

4-Year Graduation Rate
Class of 2024

96.97%

5-Year Graduation Rate
Class of 2023

89.47%

6-Year Graduation Rate
Class of 2022

Graduates enrolling in college 14841.34% Percent of graduates enrolling in college — 2021 cohort

Graduate College Enrollment (% of Graduates)

Percent of graduates enrolling in college — 2021 cohort

Percent of graduates enrolling in college by institution type
Institution type % of graduates Graduates
Delaware Public College29.61%106
Non-Delaware Public College5.59%20
Delaware Private College1.4%5
Non-Delaware Private College4.75%17

100%

College and/or Career Ready
Class of 2024

Indicators include: Advanced Placement (AP), International Baccalaureate (IB), SAT Essay, Dual Enrollment, ASVAB, Multi-Literacy, Industry Recognized Credentials, and Work-Based Learning programs.

Data Note: All data sourced from Delaware Department of Education ESSA API. Performance metrics, enrollment, and demographics are from the 2024-2025 school year. Visit the full Delaware Report Card for the most up-to-date information and the Data Dictionary for explanations of all metrics.