Championing issues in K-12 education since 1990, GLSEN seeks to make LGBTQ persons a protected class enumerating specific "rights" schools must secure for students and teachers. GLSEN is the force behind the Day of Silence.
They promote Gay Straight Alliance (GSA) Clubs in middle and high schools. Using school climate-surveys, they make the case that GSAs provide essential support for transgender students while enlisting other students as allies, and sponsoring school-wide LGBTQ educational activities. However, GSA support for LGBTQ students is agenda-driven, putting LGBTQ identity front and center and limiting parents' involvement. Schools generally cannot require parental permission before joining a club.