For your information if any of your students are interested in an immersion summer program:
–Middlebury College, (Middlebury, Vermont) is now offering middle/high school immersion language programs in the summer at 4 different campuses around the country. (Ohio, Vermont, Massachusetts and California)
Here is a link:  http://www.mmla.middlebury.edu/ (or cut and paste)

Concordia Language Camps also continue to be a favorite.
Concordia Language Villages <clv@cord.edu>