Concept demo built by Full Stack Tech NYC to show what High School for Language and Diplomacy's site could look like — not affiliated with or endorsed by the school. Questions? questions@fullstacktechnyc.com

High School for Language & Diplomacy

PS 253 — East Harlem, NYC

A globally minded, college-ready leaders emerge from our vibrant East Harlem community.

Grades 9–12 • 400 students • A NYC Outward Bound School

Principal Search

We're interviewing candidates for our next principal and welcome community input. Learn about the process →

View DOE Posting

About Our School

Where every voice matters.

Founded in 2013, the High School for Language and Diplomacy prepares 9th–12th graders for college and careers through rigorous academics, global studies, and real-world leadership experiences—including our signature Virtual Enterprise program.

We believe cultural understanding starts with community. From CREW advisory to family dance workshops, we foster belonging so every student can thrive.

Learn more about us
400
Students
in Grades 9–12
100%
College-prep
curriculum
10
Languages
taught
1:12
Student-to-advisor
ratio in CREW

What We Offer

Our Programs

Preparing students to navigate and lead in a connected world.

Global Studies & Diplomacy

Explore international relations, debate global issues, and develop cross-cultural communication skills through Model UN, language immersion, and partnerships with diplomatic organizations.

Explore

Virtual Enterprise

Run a real student-led business in our award-winning Virtual Enterprise program, where students gain hands-on experience in entrepreneurship, marketing, and finance.

Learn More

CREW Advisory

Our NYC Outward Bound CREW program builds trust, leadership, and resilience through team challenges, community service, and one-on-one mentorship with dedicated advisors.

See More

Mark Your Calendar

Upcoming Events

School events, PTA meetings, and important dates — all in one place.

A live events calendar, right here.

Your Google Calendar syncs straight into the site — tours, PTA meetings, and key dates update automatically, no re-typing. We wire this up when you come aboard.

Tax Deductible

Invest in our
children's future.

Your donation funds arts programs, teaching assistants, and school trips. Every dollar makes a difference for our students.