Teenage Sexual Abstinence and Academic Achievement Teenage Sexual Abstinence and Academic Achievement 2005 Heritage Foundation report lower academic performance Heritage Foundation perform poorly in school Fail in school lower academic performance 2005 Heritage Foundation report Teenage Sexual Abstinence and Academic Achievement Teenage Sexual Abstinence and Academic Achievement 2005 Heritage Foundation report Heritage Foundation study Teenage Sexual Abstinence and Academic Achievement Heritage Foundation study Heritage.org 2005 Heritage Foundation report school success Teenage Sexual Abstinence and Academic Achievement academic lower academic performance academic Teenage Sexual Abstinence and Academic Achievement Teenage Sexual Abstinence and Academic Achievement lower academic performance lower academic performance 2005 Heritage Foundation report 2005 Heritage Foundation report school success 2005 Heritage Foundation report