This publication summarizes 20 studies regarding community colleges completed by Northern Illinois University graduate students during the years 1966-68. In each instance, a statement of the problem, a description of the procedures employed in the study, and a summary of significant findings were presented. Included were studies dealing with student enrollment, teacher characteristics, electronics technology, student satisfaction with instruction and services, transfer students, attitudes of chief administrators and faculty members toward a student personnel point of view, the business manager, open door policy of admissions, journalism courses, subject-matter requirements and total hours necessary to earn an A.A. degree, motivation factors of adult students, occupational course offerings in selected colleges, biological sciences courses, operation of occupational or technical programs, high school student concepts and understandings concerning the public junior college, the financial aid administrator, the art curriculum, and the effect of group counseling on students placed on academic probation. (DG)