It will be interesting to see how traditional academic reacts to the idea of opening learning to, um, students. In the mean time, like Tony Karrer said, a growing movement.
Open Source Spanish Resource Using Curriki
This open source Spanish curriculum addresses the needs of a comparatively small group of children--those who began their study of Spanish in kindergarten or 1st grade and are now entering middle school.
Table of Contents for Opening Up Education -The MIT Press
These essays by leaders in open education describe successes, challenges, and opportunities they have found in a range of open education initiatives.