This report presents the background methodology, findings, and recommendations of three studies that comprised System-Wide Tests of Occupational Programs, a 4-year research program to assess the impact of vocational education using various followup techniques. Part 1 focuses on Project CATCH (Career Training Choice), a followup study of students denied admission to Vocational High Schools. Some findings reported include: those denied admission had a high, early dropout rate; occupational training in Academic High School was associated with better retention and higher grade point average; and 95% of the students expressed interest in receiving occupational training while in high school. Part 2 focuses on Project CAR (Careers in Automotives Research), a followup study of graduates in various occupational programs offering training in automotives. Major findings reported include: the majority of graduates had worked or were working after graduation and reported they were implementing plans for work and education at graduation, employer rating of graduates was high, and job retention was high. Part 3 focuses on Project EMIS (Employer Measures of Industry Satisfaction), the development and use of an Employee Rating Scale. These findings are reported: the scale proved internally consistent and reliable over time and it was not useful for self-rating. (YLB)