Welcome to Delcastle Technical High School, the premier career and technical high school in Delaware. Since 1969, at Delcastle, we S.E.T. students up for success:
- We Serve students with a superior CTE and academic learning experience. - We Empower students to lead within our school and their community. - We Transform the current and future lives of our students.
Our diverse student population and outstanding staff collaboratively create a positive and safe learning environment that prepares students for post-secondary success. We are proud to offer the largest number of career and technical education programs (CTE) in the state with twenty-four career areas complemented by our high-quality academics. Additionally, we offer students multiple leadership opportunities and extracurricular activities to enhance the overall learning experience for all students.
Each day, our goal is to create a learning environment that is welcoming to all, one that recognizes and appreciates the diverse background of our learning community and builds positive connections with all stakeholders. Through this continued work, we believe that our students will be well prepared for their post-secondary aspirations and S.E.T. up for success.
I encourage you to explore our school website and follow us on social media to learn more about Delcastle and all we offer.
At Delcastle Technical High School, students don't just prepare for the future—they shape it.
With 24 nationally recognized career programs, a thriving athletics program, a strong presence in five CTSOs, and over 50 clubs, honor societies, leadership organizations, and performing arts, Delcastle Technical offers every student the chance to lead, grow, and make an impact.
We believe in more than career readiness—we believe in purpose. That’s why we proudly S.E.T. students up for success by empowering them to Serve, Empower, and Transform their communities and themselves.
Join a school where excellence is tradition—and innovation is our future.
Student leaders spread joy, creativity, and community spirit during Delcastle’s annual holiday tradition—featuring crafts, performances, and festive fun for all.
From a $10,000 national design prize to a full-ride film scholarship, read how Delcastle celebrated massive student success and said a fond farewell to dedicated staff at the recent District Board Meeting.
Delcastle Drama Club transported our community to a whimsical winter night in the fictional town of Almost, Maine. Directed by Mr. Robert Ritter and Mr. Nick Carey, the fall production was a triumph of student artistry, exploring the complex layers of love, loss, and connection.
The Delcastle Cougars are ready to roar this winter! Join us in celebrating the 2025-2026 season as we introduce our Boys’ and Girls’ Basketball, Wrestling, Indoor Track, and Winter Cheer squads.
A team of sophomores represented the First State in Washington, D.C., serving dignitaries and networking with top vendors in the historic Kennedy Caucus Room.
Our Student Leadership team returns from Grand Rapids, Michigan, equipped with national-level strategies to empower our students and transform our school culture.