The Thai Ministry of Education, the Program for Appropriate Technology in Health (PATH), and the Horizons Program embarked on a study to examine the outcomes of a school-based HIV/AIDS programme called "Teens on Smart Sex" for Thai college students. The programme, developed by PATH in cooperation with the Thai Ministry of Education, is based on the Theory of Reasoned Action Behavior Change model, which posits that young people must first learn and practice behaviours in order to successfully use them at the appropriate time. The key findings of the study reveal that the programme did not increase initiation of sexual activity. Students already had high levels of knowledge, and the programme improved these levels. However, there was no evidence of the adoption of other protective behaviours, such as abstinence, among males and females. The programme also improved female students' attitudes about condom use and increased actual use and improved students' acceptance of people living with HIV and AIDS (PLHA).