The following Open Educational Resources (OER) collections include learning resources for K-12 institutions. To learn more about open educational resources in higher education and how you can get involved in the OER movement, check out the rest of the series below:
Curriki is a nonprofit global community that offers free K-12 learning resources for teachers, students, and parents. The resources on Curriki cover a wide range of subjects in the arts and sciences. Curriki offers over 55,000 Open Educational Resources and its 400,000 members represent nearly 200 countries.
Khan Academy (https://www.khanacademy.org/)
Not-for-profit Khan Academy is an organization dedicated to providing a “free world-class education for anyone anywhere.” Content includes interactive challenges, assessments, and video in an array of topics for kindergartners through adult learners. Create an account to practice standardized tests and keep statistics on assignments and coursework you’ve completed, noting your progress as you learn.
Lumen Learning (http://lumenlearning.com/)
Lumen is dedicated to facilitating broad, successful adoption of OER at higher education and K-12 institutions. Lumen provides training and support for faculty members to teach open courses and also publishes open courses in over 30 high-demand subjects. Lumen’s catalog of open courseware includes courses in mathematics, general education, business, and science and technology.