FREE Open Courseware CMS(Course Management System like Blackboard, Moodle,..). Setup a free user account & select courses with video lectures, Syllabus, Free textbooks when avail., assignments/homework, testing from MIT, Harvard, UC Berkeley, Stanford, U of Mich, Yale along with many of the World's finest University's (1,100+ courses/24-48+ Lectures).
K-12 education utilizing materials available from Gov./Private sources ie. CLRN, FSI (54 Foreign Language Learning), Youtube/Edu, Khan Academy (Math,Sci, ...), Sandra Day O'Connor (6-8grd Civic's), Math Counts (6-8 math competition).
Test Prep: SAT, GMAT, Standards tests more to be added. (See available courses below)