OER resources in Education offer a broad range of materials for understanding the theory, practice, and changing nature of education. They may include open textbooks, teacher-training materials, lesson plans, curriculum resources, lectures, case studies, assessment tools, educational videos, and instructional guides. Key areas may include educational psychology, pedagogy, curriculum and instructional design, teacher education, inclusive education, educational administration, assessment and evaluation, distance and online learning, digital pedagogy, and educational technology. These resources can support teachers, teacher educators, students, researchers, and other professionals engaged in improving teaching and learning practices.