This report, the seventh in a series of annual studies, compiles 1978-79 enrollment information for 955 two-year postsecondary institutions. Surveyed institutions include accredited junior and community colleges; multipurpose, technical and/or vocational schools and institutes; university branch campuses; and proprietary schools. During 1978-79, total enrollment for reporting institutions was 3,548,000, a decline of 1.7% compared to the previous year. This followed increases of .4% in 1976-77 and 2.7% in 1977-78. Overall enrollment decreases were experienced by public, independent private and nonpublic, and proprietary institutions; junior and community colleges; and multipurpose units and university branches; while increases were experienced by church-affiliated and technical/vocational schools. Full-time enrollment declined 5.7%; part-time enrollment increased by only 1%. The count of classified full-time freshmen showed a significant loss of 4.7% compared with the previous year. Overall enrollment of women students increased by 1%, with women accounting for 52% of the grand total enrollment. Six tables, comprising the bulk of the report, list enrollment data by institution, institution type (public, church-affiliated, independent, or proprietary), geographical region and state, sex of the student, full-time enrollment, and total teaching staff. The introductory narrative summarizes enrollment data and suggests trends and future concerns. (DR)