First established on a national scale in Europe in the 1960s, developing countries introduced school-based sexuality education in the 1980s. The emergence of HIV/AIDS gave many governments the impetus to strengthen and expand sexuality education efforts and, currently, more than 100 countries have such programs, including almost every country in sub-Saharan Africa (McCauley and Salter, 1995; Smith, Kippax, and Aggleton, 2000; Rosen and Conly, 1998). . organizations such as UNFPA, UNESCO, and UNICEF have traditionally been the leading international supporters of sexuality education. The World Bank, through its intensified efforts to help countries fight HIV/AIDS, has also become.
