Search courses Go. Expand all. Sample Courses. OTAN Professional Development Community. ABC Adult School. Alameda Adult School. Antelope Valley Adult School. Pasadena Community College Adult Classes. Petaluma Adult School. Pittsburg Adult Education Center. Pomona Adult and Career Education. Redlands Adult School. The College of Staten Island Adults Returning to the Classroom (ARC): Learn about ARC’s personalized admissions support, early registration appointments, personalized advising with flexible hours, weekend/evening course offerings and other resources for returning adult students.