Mercer County Community College 1200 Old Trenton Rd, West Windsor, NJ08550 Mercer County Community College is a publicly-supported, two-year community college. The college offers 70 associate…More degree programs and 30 credit certificates for career preparation. Classes are scheduled year-round, including summer courses and a three-week winter session. The college offers transfer opportunities and easy transition into William Paterson University, Fairleigh Dickinson University and Felician College for four-year degrees. The college welcomes high school students to take classes for transferable credit. Students can also take online classes through MercerOnline.