St. John Paul II Catholic High School is located in a former Comal ISD school building, on FM 482, in the northeast portion of the city of Schertz, Texas. On this current campus, JPII has access to 80,000 square feet of space, two science labs, a full kitchen and cafeteria, a practice gymnasium, practice fields, a media center, and many classrooms. The Archdiocese also owns the 53-acre site directly across FM 482; it is currently being held for the school's future needs, which include competition sports fields and future growth.