Kidlink Organization aimed at developing international understanding among kids. Project WILD Huge project to help teachers and students learn about ecological and environmental subjects by focusing on animals and their habitat. This international project pits groups of 2-3 students building web sites for educational purposes against other teams all over the world.
Prizes are basically scholarships.
Educational sites developed by the students in previous years are maintained on the web as well. This site is run by a professional writer to help kids who want to be writers. Includes instruction and critiques of the writing. Includes contests with cash prizes.