Postsecondary educational institutions that offer the highest possible level of formal learning in various fields and disciplines for people who meet entry level requirements and are interested in an advanced education. Included are public and private colleges and universities that offer a four year, undergraduate course of study, which award a Bachelor of Arts (B.A.) or Bachelor of Science (B.S. or B. Sc.) degree to successful graduates; and those that offer postgraduate study at masters or doctorate levels in addition to an undergraduate program.