• Study Finds Abstinence-Only Programs Fail to Reduce Teen Sexual Behavior

Programs that focus exclusively on abstinence have not been shown to affect teenager sexual behavior, although they are eligible for tens of millions of dollars in federal grants, according to a study released by a nonpartisan group that seeks to reduce teen pregnancies.

It all comes down to parental catechesis. It's not certain--Old Adam remains--but it makes more difference than a class in school.