Complex sentence: It is the home of the Marion County Center for the mecca a magnet program offering classes in Digital Media, Photography (which includes photo manipulation), Technical theatre/stagecraft, Dance, Musical Theatre, Drawing and Painting, 3D sculpture, and Band.
Split into simpler sentences: It is the home of the Marion County magnet program MCCA (Marion County Center for the Arts). This magnet program offers classes in Digital Media, Photography (which includes photo manipulation), Technical theatre/stagecraft, Dance, Musical Theatre, Drawing and Painting, 3D sculpture, and Band.