This bill establishes the Maine Green Schools Network within the Department of Education to support environmental education and initiatives in public schools. Under the bill, the department must administer the network and invite several individuals and entities to participate in the network, including the director of green schools within the department; education specialists within the department; educators; students; representatives from climate education nonprofit organizations; a representative from a career and technical school; a representative from the Governor's Office of Policy Innovation and the Future; and a representative from the Department of Environmental Protection. The bill requires the network to do the following: support professional development; support school projects that incorporate traditional ecological knowledge and best practices for waste management and recycling, energy conservation, water conservation, schoolyard habitat, outdoor classrooms, transportation or health; increase the number of educators in the State who provide training for green schools and develop common resources, trainings and metrics to support educators. Under the bill, the department is authorized to develop a grant program to be administered through the network in furtherance of fulfilling the network's duties. The bill requires the network to report back to the Legislature by November 4, 2026 with findings and recommendations.