; and (II) the effects of sex education; (E) convene conferences on sex education, in order to effectively train educators in the provision of sex education; and (F) develop and disseminate appropriate research-based materials to foster sex education. (3) Subgrants Each eligible entity receiving a grant under this section may award subgrants to nonprofit organizations that possess a demonstrated record of providing training to teachers, health educators, faculty, administrators, and staff on sex education to— (A) train educators in sex education; (B) support internet or distance learning related to sex education; (C) promote rigorous academic standards and assessment techniques to guide and measure student performance in sex education; (D) encourage replication of best practices and model programs to promote sex education; (E) develop and disseminate effective, research-based sex education learning materials; or (F) develop academic courses on the pedagogy of sex education at institutions of higher education. 7. Authorization of grants to support the delivery of sexual health services to marginalized young people (a) Program authorized The Secretary shall award grants, on a competitive basis, to eligible entities to enable such entities to provide youth-friendly sexual health services to marginalized young people. (b) Duration Grants awarded under this section shall be for a period of 5 years. (c) Eligible entity In this section, the term eligible entity means— (1) a public or private youth-serving organization