Yes, sex education is necessary in school. Because introduction of sex education in school encourage to provide the right or correct information to the young peoples so as to discourage children from believing in myths \& having misconceptions about sex related aspects. Proper information about reproductive organs, safe \& hygienic sexual practices, STD's etc. would help people, those in the adolescent age group to lead a healthy reproductive life. In many countries, sexual education raises much contentious debate. Chief among the controversial points is whether covering child sexuality is valuable or detrimental; the use of birth control such as condoms and hormonal contraception, and the impact of such use on pregnancy, outside marriage, teenage pregnancy, and the transmission of STDs. Increasing support for abstinence - only sex education by conservative groups has been one of the primary causes of the controversies.