William Alexander Middle School
MS 51 — Park Slope, Brooklyn
A welcoming, diverse, and inclusive — where every student thrives through challenging academics, arts, and social-emotional learning.
Grades 6–8 • 1,200 students • A community where every child belongs.
Principal Search
We're interviewing candidates for our next principal and welcome community input. Learn about the process →
About Our School
Where every child belongs.
Founded in 1904, MS 51 William Alexander Middle School serves grades 6–8 with a curriculum that balances intensive accelerated academics and an in-depth three-year arts program. Our students explore their talents in vocal music, drama, instrumental music, dance, photography, and fine art while preparing for the rigors of high school.
We are a community committed to respect, rigor, responsibility, and resilience, ensuring all children feel supported and successful at this pivotal moment in their lives.
Areas
in 8th Grade
for Equity
What We Offer
Our Programs
A curriculum that challenges, inspires, and prepares students for high school and beyond.
Accelerated Academics
Our rigorous curriculum prepares students for high school with honors, accelerated, and Regents-level courses, including Algebra, Biology, and U.S. History.
Explore AcademicsThree-Year Arts Program
Students deepen their talents in one of six studio areas—vocal music, drama, instrumental music, dance, photography, or fine art—fostering self-expression and creativity.
Learn MoreSocial-Emotional Learning
We prioritize community service, sustainability, and student voice, helping students develop independence, resilience, and a strong sense of belonging.
See MoreMark 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.
Invest in our
children's future.
Your donation funds arts programs, teaching assistants, and school trips. Every dollar makes a difference for our students.