Comprehensive records of all 1972-73 high school seniors who registered for the College Entrance Examination Board's Admissions Testing Program (ATP) before May of their senior year are analyzed in this national ATP summary report. Information is provided on the participant's ethnic background, high school grades, educational background, self-reported class rank, estimated high school and predicted college grade point averages, and scholastic aptitude and achievement test scores. Students' educational goals, intended fields of study, needs for assistance from their college, extracurricular activities, financial needs, and self-reported abilities are also examined. Information on ordering other ATP summaries is included. (MV)