For the purposes of this chapter, the following definitions apply:

(a) “Age appropriate” refers to topics, messages, and teaching methods suitable to particular ages or age groups of children and adolescents, based on developing cognitive, emotional, and behavioral capacity typical for the age or age group.

(b) “Comprehensive sexual health education” means education regarding human development and sexuality, including education on pregnancy, contraception, and sexually transmitted infections.

(c) “English learner” means a pupil as described in subdivision (a) of Section 306.

(d) “HIV prevention education” means instruction on the nature of human immunodeficiency virus (HIV) and AIDS, methods of transmission, strategies to reduce the risk of HIV infection, and social and public health issues related to HIV and AIDS.

(e) “Instructors trained in the appropriate courses” means instructors with knowledge of the most recent medically accurate research on human sexuality, healthy relationships, pregnancy, and HIV and other sexually transmitted infections.

(f) “Medically accurate” means verified or supported by research conducted in compliance with scientific methods and published in peer-reviewed journals, where appropriate, and recognized as accurate and objective by professional organizations and agencies with expertise in the relevant field, such as the federal Centers for Disease Control and Prevention, the American Public Health Association, the American Academy of Pediatrics, and the American College of Obstetricians and Gynecologists.

(g) (1) “School district” includes county boards of education, county superintendents of schools, the California School for the Deaf, and the California School for the Blind.

(2) Commencing with the 2019–20 school year, “school district” also includes charter schools.

(Amended by Stats. 2018, Ch. 495, Sec. 1. (AB 2601) Effective January 1, 2019.)