Australian:
Department for Education. Gender diversity and transgender (SA)
Safe Schools (Victoria)
Safe Schools Coalition Australia (archived)
Safe Schools Coalition Australia Resources (archived)
International:
Alberta Education Gay-Straight Alliances (Canada)
Central Coast Coalition for Inclusive Schools (US)
Educate & Celebrate (UK)
Gender Creative Kids (Canada)
Gender Spectrum (direct link to Education) (US)
Gender Spectrum Inclusive Schools Network (US)
Georgia Safe Schools Coalition (US)
GIRES (Gender Identity Research and Education Society) Information for educators and Classroom Lesson Plans (UK)
The Global Alliance for LGBT Education (GALE)
GLSEN (US)
Illinois Safe Schools Alliance (US)
InsideOUT (Aotearoa/NZ)
National Association of School Psychologists (US) – LGBTQ Youth
Project 10 (US)
SOGI 123: Tools and resources for LGBTQ-inclusive education (Canada)
TRANSATHLETE.com – K-12 Policies (US)
Trans Student Educational Resources (US)
Welcoming Schools (includes resources, lesson plans, guides, and articles) (US)