Chapter IV describes the interim findings of an experimental program for underachieving high school graduates during their freshman year at Southern Illinois University. The statistically analyzed data are presented and discussed under four headings--(1) Subjects' occupation or whereabouts in the year following their participation in the program, (2) retention of subjects during the freshman year and during their sophomore year when they were enrolled in the regular university curriculum, (3) quality of subjects' academic performance, and of subjects' performance. Appendixes contain cumulative grade point average data, term grade point average data, and other relevant information. (For other chapters of this report, see UD 005309, UD 005310, UD 006858, UD 006859, and UD 006860.) (LB)