Free-to-use content, textbooks, lessons, or other educational materials.
Introduction to Earth Science (WVU Renton)
ESRI Free GIS & Geography ebooks
Open Source GIS Education (Storymaps)
Geography-Open Educational Textbooks (Humboldt)
Geography Textbooks (Center for Open Education MN)
The Open Source Geospatial Foundation (OSGeo)
AmericaView (Earth Observation Network)
BMCC Open Educational Resources (SUNY)
Introduction to GIS with Open Education Materials (Kennesaw State University/University of North Georgia)
GIScience Classics LibGuide (UCLA)
The Anthropocene Network (IUPUI)
Open Mapping Education (U.S. Census)
Our Beautiful Earth (NSTA)
Geospatial Information Technology in Fragile Contexts (U.N.)
Open Educational Courses, Modules, or MOOCs (massive open online course) that are free to use without charge.
Open Educational Resources by Subject. Search for keywords: Spatial, Mapping, Geography, Geospatial
NASA Science: Learning Resources (Earth Observation)
National Centers for Environmental Information
Drama-based Instruction (The University of Texas at Austin) Check out spatial activities like Soundscapes