Analyses of spring term (both quarter and semester) 1978 student enrollment data, and winter quarter enrollment data for the five Illinois community college districts on the quarter system, comprise this report. Information is organized in thirteen data tables comparing spring 1978 with fall and spring 1977, second term enrollment with previous years, winter 1978 headcount with winter 1977, and winter 1978 full-time equivalent (FTE) with winter 1977 enrollments; and presenting spring 1978 data by course type, instructional program area by student residency, and enrollment in instructional programs by college. During spring 1978, 298,597 students were enrolled, a 7% decrease from the previous year and an 11% decrease from fall 1977. FTE enrollments totaled 138,094 in spring 1978, an 8% decrease from spring 1977 and a 15% decrease from fall 1977. In spring 1978, the baccalaureate/general academic category had the largest FTE enrollment (51.3%), followed by business and public service (16.5%), remedial/developmental (9.3%), and natural science and industrial technology (9%). In-district students composed 95.2% of total enrollment; only 0.2% were out-of-state students. On-campus enrollment involved 81% of spring 1978 students; in-district, off-campus locations involved 18.4%, and extension/home-study accounted for the remaining 0.6%. (TR)