Housed in one continuous building, The Catholic High School of Baltimore's facilities include:

• 18 general use classrooms
• Verizon Distance Learning Lab
• 4 technology labs
• 3 science labs
• Foreign language lab
• Fine Arts Wing (McCafferty Hall) with rooms designed for choral music, photography, studio art, and instrumental music
• Engineering classroom
• Student publication center
• Electric keyboard lab in McCafferty Hall
• Dark Room for photography classes
• DeCarlo Library and media center
• Guidance center
• School chapel
• Gymnasium
• 700-seat auditorium and stage
• School store
• Full service cafeteria and kitchen (to be renovated Summer '09)
• Automated entry with video surveillance at front and back entrances of the school
• Automated voice mail system with teacher mailboxes and school-wide messaging

Internet access, networked access to educational software, cable television, and telecommunications are school-wide to provide the necessary support for a technology-based curriculum.

An adjacent annex houses administration and faculty offices.

Eight-Acre campus is fenced, gated, and includes resurfaced parking lot for faculty, staff, students, and guests.