Collaborative Arts Project 21, known more commonly as CAP21, is a New York City professional musical theatre training conservatory and off-Broadway theatre company. It has a core faculty with many associate faculty who are also working professionals. The conservatory has produced many Broadway performers, as well as actors in off-Broadway, regional, and international theatre, television, film, and other performance media. Until 2012, it was in partnership with the New York University’s Tisch School of the Arts. In 2014, CAP21 joined forces with Molloy University.