Alifetimeofcolor.com is a site that’s been created mainly for educators in order to help them teaching.
You can find lesson plans, projects and different techniques for making your classes more creative and fun. The lesson plans are classified by grades: from kindergarten to 8th grade. There is also a complete guide of different painting and drawing techniques, such as: crayon etchings, one-point perspective, thumbnail sketches, 3D forms, contour drawing, shades and tints, etc. If you want information on great artists and art in general, you can also find it at their site. Plus, there is a great glossary containing all the styles – abstract, baroque, cubism, gothic, pop art, realism, etc – with comprehensive explanations and a list of examples. And if you’d like to learn by playing, you should take a look at the games they have; both fun and academic. You can sign in and receive info on promotions and education contests. 
