Here is a list of websites that provide Open Education Resources (OER) for K-12 education. These websites offer a variety of free and open educational resources, including lesson plans, videos, interactive activities, textbooks, and more. They cover a wide range of subjects and grade levels, providing teachers and students with valuable materials to support teaching and learning in the K-12 classroom.
Please note that the availability and specific offerings of these websites may vary, so it's advisable to explore each platform to find resources that align with your specific needs and curriculum.