The American Choral Directors Association (ACDA) is a professional organization dedicated to the advancement of choral music in the United States. Founded in 1959, it serves choral directors, educators, and singers by providing resources, networking opportunities, and professional development. The ACDA promotes high standards in choral performance and education through various initiatives and events. ACDA organizes regional and national conferences, where members can attend workshops, performances, and discussions. The organization also publishes a variety of materials, including journals and educational resources, to support choral programs in schools and communities. Through its efforts, the ACDA fosters a vibrant choral culture across the nation.