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Administration

Delcastle Administration Team
Delcastle Principal Mr. John Greenly
Mr. John Greenly, M.Ed. | Principal
Delcastle Assistant Principal Mrs. Carrie Barber
Carrie Barber, M.Ed. | Assistant Principal
Delcastle Assistant Principal Ms. Celeste Sosa
Celeste Sosa, M.Ed. | Assistant Principal
Delcastle Assistant Principal Mr. Timothy Dorsey
Timothy Dorsey, M.Ed. | Assistant Principal
Delcastle Assistant Principal Dr. Chad Harrison
Dr. Chad Harrison | Assistant Principal

News & Announcements

Delcastle Open House - Sunday, November 2

Explore Delcastle Technical High School—Delaware’s leader in career and technical education. Join us for our 2025 Open House on Sunday, November 2, from 12–3 p.m. Tour 24 award-winning CTE programs, meet student leaders, discover dual enrollment and performing arts opportunities, and see how Delcastle prepares the Class of 2030 to be S.E.T. for success: Serve. Empower. Transform.

Delcastle Student Leaders Shine at Statewide Fall Leadership Conference

Students from five CTSOs attend 2025 Delaware CTSO Fall Leadership Conference at University of Delaware

DTH Fire Science & Rescue Honor 9/11 First Responders

Our Fire Science & Rescue students teamed up with juniors from U.S. History to learn about first response during 9/11.

Hispanic Heritage Community Event - Sat., October 18

Click here for more details - Haga clic aquí para más información

Delcastle Homecoming 2025

Join the festivities! Click here for information about our Spirit Week, Football Game, and Dance.

Back to School Guide 2025

Be S.E.T. up for a successful start to your 2025-2026 school year! Check out these resources in our "Back to School Guide."

🎶 The Beat is Back: Delcastle Band Returns After Two Decades

Summer rehearsals kick off a bold new chapter in Delcastle’s performing arts scene.

Principal's Summer Newsletter - Welcome Back! (August 2025)

Start the school year strong—read the Summer Newsletter for key dates, announcements, and back-to-school info.