The final report of the National Assessment provides detailed information about how the research was conducted that assembled the materials for this website. One of its limitations, however, it contains information on programs collected up to 2012. Since then, more new john school programs have come online, and a few have been discontinued. Nevertheless, the majority of the information is still valuable and relevant, and provides an overview of the range of options available for structuring and operating education and treatment programs for sex buyers. For current information, use the Map Locations and Browse Locations function on this website, and select the “John School” tactic, and you can explore all of the communities in the U.S. that are known to have had john school programs between 1981 and 2018.