Some Open Education Resources for Homeschoolers

• Computer Science Education Resource Guide at http://www.smartscholar.com/computer-science-guide/)
• Duolingo: https://www.duolingo.com/ (Learn a language for free.)
• CodeAcademy: https://www.codecademy.com/ (Learn to code interactively for free)
• Khan Academy: https://www.khanacademy.org (for math and SAT prep) 
• Homeschool Tools: https://sites.google.com/site/homeschoolingtoolbox/ (Resources: free worksheets, charts, flash cards, notebook materials, booklists & tips on getting started)
• Ambleside Online: https://www.amblesideonline.org/  (a free homeschool curriculum that uses Charlotte Mason's classically-based principles)
• Hillsdale free video courses: https://online.hillsdale.edu/ (Constitution 101, C.S. Lewis, Great Books and much more!)
• Shakespeare Tools: https://sites.google.com/site/shakespearetools/ (Everything you need to put on a Shakespeare play with young people)
• Donna Young: Donnayoung.org (free and subscription option available)
• IXL: https://www.ixl.com/ (limited number of free practice problems daily and a paid subscription as well.)
• Kuta Software: https://www.kutasoftware.com/ (offers free worksheets with answers for mathematics)
• All in one Homeschool: www.allinonehomeschool.com (A complete online, free Christian homeschool curriculum)
• Degreed: http://blog.degreed.com/42-sources-for-free-online-courses/?utm_content=20339432&utm_medium=social&utm_source=twitter (Free tracking of learning—this blog has 42 Sources for free online courses)
• Instructables: http://www.instructables.com/ (Great repository of inventive project ideas with step-by-step instructions for how to make it yourself. Good for hands on stuff.)
• Stack Exchange Mathematics: http://meta.stackexchange.com/search?q=mathematics (a general purpose place for posting educated questions and getting educated answers by intelligent people.)
• CrashCourse: http://www.pbslearningmedia.org/collection/crash-course/ (a variety of courses in short segments—math, science, history etc. Note: some viewpoints may not match the views of homeschool families)
• Stack Overflow: http://stackoverflow.com/ (answers to computer science questions)
• OpenStax: https://openstaxcollege.org/ and http://openstax.org/ (a collection of free textbooks written by high quality authors—newest initiative is K-12 education)