Teen Pregnancy Prevention ProgramTPPP supports the implementation and evaluation of evidence-based programs and innovative approaches to reducing pregnancy among adolescents. Its primary purpose is to build an evidence base of effective sex education programs.The program was established in 2010. Since 2014, it has been funded at $101 million each year. Ten percent of funding goes to training, technical assistance, evaluation and other forms of program support. Of the remaining funds, 75% goes to grantees that replicate effective programs (Tier 1) and 25% goes to grantees that test innovative strategies to reduce adolescent pregnancy rates (Tier 2). Both Tier 1 and Tier 2 programs are evaluated as part of TPPP.The program currently supports Tier 1 grants in 29 states and Puerto Rico and Tier 2 grants in 13 states. Grantees include for-profit and nonprofit organizations, clinics, hospitals, state and local governments, schools and universities.