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The OER sites on this page cover a number of different subject areas. Repositories curate from a number of sites. OASIS is new platform that is easy to use and searches open content from 72 different locations. Most platforms allow you to filter by subject and grade level.
Amser : Applied Math & Science Education Repository
Also covers art, music, history, military, medicine & technology.
All Subjects : Information, video and test modules on topics. Need to learn the different grading system.
Textbooks, interactives, simulations, assignments. CC-BY-NC
All Subject Areas. Free lessons, worksheets, videos, projects, and more! CC-BY-NC
Edcite Interactive Assignments
provides free tools and content for creating interactive learning exercises.
Gooru : Online Learning
Online learning platform. Collections on topics posted. Create your own.
HippoCampus.org is a free academic web site that provides multimedia content--videos, animations, and simulations--on general education subjects in middle and secondary grades.
Illinois OER (Repository)
Adaptable Courseware Math, English & Literature, Business, Science, Art, Writing, U.S. History and Government.
OAPEN : Open Access
Academic books, mainly in the area of humanities and social sciences.
Oasis. Textbooks, Courses, Course Materials, Interactive Simulations, Public Domain Books, Audiobooks, Modules, Open Access Books, Videos, Podcasts, Learning Objectives.
OER by Subject
OER Commons (Repository)
OER Commons Refine search by subject, educational level, material type.
The Orange Grove (Repository)
Resources that are tagged as being appropriate for K-12.
Choose Primary Subject, then secondary course, grade level and type of resource.
UEN : PreK - 12 Educator Resources
Government Information for Children
Resources for Teachers
Mason OER Metafinder
Searches sixteen targets in real-time, returning several hundred relevant hits from each site. Deep web searches may take longer for results.
Open-source curriculum tool to find new, vetted materials and lessons.
High School level strategies and lessons. English/Language Arts, Math, Science, Social Studies, Technology & Engineering
High school lessons plans, project based learning ideas, and teacher resources in all subject areas.
Media Center Webpage : Video and Subject Area Links