A wide range of online education lessons are available on multiple websites including My School House and Cyber Kidz Games. College-level courses can be found on sites such as Coursera, Academic Earth and Alison.com.
As of March 2015, the My School House website offers users some free lessons and worksheets for elementary through middle school students. Subjects include math, reading, spelling, science, language and social studies. The site also provides navigation to specific grade levels and additional online lessons with the purchase of a subscription. Cyber Kidz Games offers over 100 free online lessons with topics including music, math, typing, geography and science.
Coursera provides users with free online college-level courses from colleges and universities around the world, including John Hopkins University, Duke University, HEC Paris, Peking University and the ESSEC Business School. Courses are offered in several languages, with subject categories ranging from art to computer science and physics. Online searches on this site can be further limited to courses offering verifiable certificates of completion.
Academic Earth offers links to courses and lectures from sources such as the Berklee College of Music, Stanford University, and the University of Oxford. Alison.com provides users with courses and materials to help them obtain certification in specific subjects such as accounting, language studies, business management, psychology and even nursing.