Most homeschooled students have the choice to study and learn what they want, when they want, for as long as they want. This is not to say that all the basics (and more!) aren't covered. But those basics may be covered at age six for one child, and at age ten for another, depending on ability, maturity, and interest levels. (Unfortunately, a few states do have unnecessarily restrictive legal requirements; in those states, educational freedom may be limited.)
Read more on FamilyEducation: http://school.familyeducation.com/home-schooling/parenting/29861.html#ixzz2bBt34qIf