Stakeholders perceptions of the Advanced Placement Program in Environmental Science (APES) in California, Florida, and New York were evaluated. Research questions focused on teacher and student profiles, attitudes toward APES, the effect of gender and ethnicity on attitudes, differences in self-report data by teachers and students, strengths and weaknesses of APES, and a match between implementation and the guidelines of the College Board. Twelve teachers and 355 students completed attitude surveys, and 10 students and one teacher were interviewed. The teacher and student survey data...