In schools where students learned about LGBTQ+ people, history and events, LGBTQ+ students were less likely to hear homophobic or transphobic remarks and less likely to miss school because they felt unsafe, according to a 2021 national survey from GLSEN, an LGBTQ+ education advocacy group. Those students also had better mental health and academic performance, the survey found.

Additionally, LGBTQ+ middle and high school students who learned about LGBTQ+ history or people in class reported lower rates of suicide attempts in the last year, according to a 2023 study from the Trevor Project, a suicide prevention organization for LGBTQ+ youth.