The National Association of School Psychologists (NASP) believes school psychologists are ethically obligated to ensure all youth with diverse sexual orientations, gender identities, and/or gender expressions, are able to develop and express their personal identities in a school climate that is safe, accepting, and respectful of all persons and free from discrimination, harassment, violence, and abuse. This position statement outlines: (1) environmental risk and protective factors for LGBTQ+ youth; (2) ethical, legal, and affirmative practices for LGBTQ+ youth; (3) affirming attitudes for school psychologists; (4) key knowledge for the provision of culturally responsive services; and (5) the role of school psychologists in supporting LGBTQ+ youth. [The position statement writing group members were: Emily S. Fisher (Chair), Karla Anhalt, Amy Cannava, Sharon Gorenstein, Jo Saint, G. Thomas Schanding Jr., Amy E. Tiberi, and Kris Varjas.]