Traditional curriculum materials are copyrighted and have restricted use. OER are teaching and learning materials that are freely available online for everyone to use. OER authors retain few ownership rights and materials are revisable and can be redistributed at no cost.
OER covers a range of educational K-12 materials:
To find K-12 OER, visit this guide:
This content was adapted from Open Education Resources (OER): K-12 Curriculum by Bethany Campbell which is licensed under CC-BY.