Future impact┬áA massive $1.555 billion effort is under way to transform the nationÔÇÖs sixth-largest community college district, Gary Toushek learns. The San Diego Community College District (SDCCD) serves approximately 100,000 students each semester at three two-year college campusesÔÇöCity, Mesa and MiramarÔÇöand six continuing education campuses in San Diego.