CDC: Youth Online: High School YRBSYouth Online lets you analyze national, state, and local Youth Risk Behavior Surveillance System (YRBSS) data from 1991 - 2013. Data from high school and middle school surveys are included. You can filter and sort on the basis of race/ethnicity, sex, grade, or site, create customized tables and graphs, and perform statistical tests by site and health topic. Please see Youth Online Help for more information using all Youth Online capabilities.