_____________________________________________________________________________________________________ *Corresponding author: Email: nathanoigo@yahoo.com; Asian Journal of Education and Social Studies 18(2): 43-57, 2021; Article no.AJESS.69272 ISSN: 2581-6268 The Church, the School and the Family as Powerful Primary Teen Sex Educators Nathan Oigo Mokaya 1* 1 Masinde Muliro University of Science and Technology, Kenya. Author’s contribution The sole author designed, analyzed, interpreted and prepared the manuscript. Article Information DOI: 10.9734/AJESS/2021/v18i230440 Editor(s): (1) Prof. Bashar H. Malkawi, University of Arizona, USA. (2) Dr. Roxana Plesa, University of Petrosani, Romania. Reviewers: (1) Rahimah Hamdan, Universiti Putra Malaysia, Malaysia. (2) K. Sathyamurthi, University of Madras, India. (3) Md Intekhabur Rahman, B. N. Mandal University, India. (4) M. Thillainayaki, Bharathiar University, India. (5) Irina A. Zyubina, Southern Federal University, Russia. Complete Peer review History: http://www.sdiarticle4.com/review-history/69272 Received 03 April 2021 Accepted 09 June 2021 Published 21 June 2021 ABSTRACT Human beings are sexual beings throughout their entire lives. The stages of sexual development are a human developmental process involving biological and behavioral components. It does not take much insight or cultural awareness to realize that we need to be concerned about the culture in which our children are growing in. The patterns of behavior among the youth reveal morality level is at an all-time low; long regarded as a consequent factor of modernization. The philosophies of materialism, autonomy, entitlement, and hedonism beckon them at every turn. Moral values such as honesty, obedience, kindness, respect, hard work, self-discipline, humility and fear of God have significantly been affected by modernization. Lack of self-control, dishonesty and careless attitude is the character of modern youth. Sexual risk behavior among Kenyan youths is a major public health concern. Nearly 400,000 young women aged between 12 and 19 years become pregnant in Kenya each year, most of them unintentionally, and half of the roughly 200,000 new sexually transmitted infections (STIs) diagnosed each year are among 15 to 24 years old. Sexuality is God’s life-giving and life-fulfilling gift. Our culture needs a sexual ethic focused on personal relationships and social justice rather than particular sexual acts. All persons have the right and responsibility to lead sexual lives that express love, justice, mutuality, commitment, Review Article