These documents contain narrative analyses and tables of data pertaining to student enrollment and enrollment trends in Illinois public community colleges for fall 1975, spring 1976, and fall 1976. Data presented in tabular form include: comparison and trends in enrollment data from 1965 through 1975, enrollment data for fall 1975 relating to headcount, full-time equivalent enrollment, enrollment by instructional program, enrollment by sex, comparison of full- and part-time enrollment, transfer enrollment, enrollment by age and ethnic status, enrollment by place of residency, enrollment by time and place of attendance, and enrollment by county of residence. For selected categories, comparative longitudinal enrollment information is presented. The same types of enrollment data are presented for spring and fall of 1976. A glossary of terms used in these volumes is appended. (JDS)