These three reports present instructional data for Mercer County Community College for Summer and Fall 1980 and Spring 1981. The first report, covering summer sessions from 1974 through 1980, examines instructional hours, class size, student credit hours (SCRH), student contact hours (SCH), income/cost measures, instructional staff, full-time equivalent (FTE) faculty, instructional coverage by staff category, and the academic calendar. The Fall and Spring reports focus on student enrollment and student/faculty ratios, class size, instructional staff and FTE faculty, instructional hours, income/cost measures, and academic administration, covering 1976 through 1981. Selected findings include the following: (1) there was a 4.2% decrease in total instructional hours from Summer 1979 (520.4) to Summer 1980 (498.7); (2) summer class size increased from an average of 20.8 in 1979 to 23.5 in 1980; (3) increases in SCRH and SCH were also evident in Summer 1980; (4) a comparison of Fall 1979 and Fall 1980 instructional data reveals a 6.2% increase in instructional hours (3,006.5 vs. 3,l93.7), a 2.7% increase in class size (26.4 vs. 27.1), and an increase in the amount of instruction performed on an overload or adjunct basis; (5) measures such as FTE student enrollment, SCRH, instructional hours, FTE faculty, student/staff ratios, class size, SCR per FTE faculty always decreased in the Spring compared to the previous Fall. (AYC)