Open Educational Resources: Subject Specific OER (K-12)

Online learning resources and organizations dedicated to the enhancement of STEM education.

Lesson plans, activity sheets and curriculum resources created by federal museums.

Rich digital materials—more than a million images, recordings, and texts.

Based on the EngageNY curriculum, UnboundEd provides free, standards-aligned PreK-Grade 12 resources in English Language Arts and Mathematics. These are enhanced by free professional learning resources, including teaching guides, videos and podcasts.

The U.S. Office of Educational Technology initiative for districts to replace textbooks with openly licensed digital materials. Contains instructional materials for many subjects.

Resources from the Public Broadcasting System can be searched by subject and grade level. You can also browse by numerous national standards to find resources related to a standard.

A project to bring free open textbooks to Michigan K-12 students. At this site you can learn about the project, about using open texts, and you can download the currently available free social studies texts.

E-books for use in classrooms.

textbooks that are free to download and available for purchase in inexpensive print form. Texts include: Statistics, Statistics with Randomization and Simulation, Advanced High School Statistics. Website also contains free teaching tools such as labs, videos, and datasets.

Textbooks for Physics, Macroeconomics and Biology.

Free online science textbooks for grades 4-12 and math textbooks for grades 10-12. The interactive practice part of this site is subscription based.

Includes grades 3-12 Science, grades 6-12 English Language Arts, grades 7-12 Mathematics. Aligned to Utah state standards.

An organization that creates free training and professional development materials for K-12 educators.

Social Studies, ELA, Math, Philosophy, Photography etc.

K-12, College, Adult Education, Math, ELA, Science, Economics, Arts etc.

4-7, 9-12, Math, Science, Textbook.

Repository of a non-profit organization that produces and aggregates OER STEM content for K-12 teaching.

Interactive resources for Biology, Chemistry, Earth & Space Science, Engineering, Mathematics, and Physics.

A "problem-based core program" currently offered for grades 6-8. Resources are free and include support for ELLs and students with disabilities. This nonprofit project was lead by one of the writers of the mathematics common core standards, and it received a near perfect score in a curriculum evaluation by the nonprofit EdReports.

You need to create a free account to view the curriculum:
1. Under View teacher materials for: choose the Grade Level.
2. If you already work as a teacher for a school, you can choose School--otherwise choose Other (and on the next page explain that you are a pre-service teacher). Pre-service teachers won't be able to get the assessments, but can access the rest of the curriculum for free.

An organization that creates free training and professional development materials for K-12 educators.

More than 1,000 free ideas for science fair projects.

OER instructional materials repository for K-12 educators in Michigan.

Materials produced by the Washington state OER Project.

K-12 curriculum resources on many subjects developed by the State of New York.

A part of OER Commons, this repository allows Minnesota K-12 educators to share instructional materials.

Repository of instructional materials for high school teachers, administrators and home school parents designed by MIT researchers.

Vast repository of OER instructional materials deposited by North Carolina K-12 educators.

A state funded OER repository from Florida that contains textbooks, lesson plans and other OER materials on various K-12 subjects.

Free online K-12 courses.