The California Community Colleges system provides lower division "General Education" courses, whose credit units are transferable to the CSU and UC systems, as well as vocational education, remedial education, and continuing education programs. It awards certificates and associate degrees. It is composed of 112 colleges organized into 72 districts, serving a student population of over 2.9 million. The system also provides the education certification, basic training, and some advanced training to all police officers, fire fighters and Emergency Medical Tech's in the state either directly (via on campus academies) or indirectly (via affiliations with police / sheriff department's and fire department's "in house" academies).