Welcome to Building 21 Philadelphia. Where students discover their PASSION, build AGENCY, and make an IMPACT on the world around them.

Building 21 Philadelphia is a Lab School with the Building 21 Network as well as a non-criteria high school with the School District of Philadelphia.

Dear Building 21 Community,

We are thrilled to kick off another year of learning, connection, and exploration at Building 21. As we begin the 2023-2024 school year we look forward to building authentic relationships amongst community members, supporting students in the exploration of their passions and skills, and achieving student growth personally and academically.

At Building 21, we believe that ALL students are resilient with unique gifts and talents and have a desire to succeed. We create a safe, equitable, and caring environment where ALL community members feels valued. By personalizing learning and engaging students in rigorous, relevant, and real world experiences, students can tap into their passions and make a positive impact on the world around them.

We are excited for our community of students, staff, families, partners, and neighbors to come together for another exciting and successful school year.


Ben Koch
Principal, Building 21