Windham Southeast Supervisory Union (WSESU) is an educational organization that oversees public schools in the southeastern region of Vermont, including Brattleboro, Dummerston, Guilford, Putney, and Vernon. They provide administrative support, curriculum development, and professional development for educators, ensuring high-quality education for students. WSESU generates revenue through state funding, local taxes, and federal grants. Historically, the union has been instrumental in implementing progressive educational reforms and fostering community involvement in schools.