This is a per student license to use, print, or reproduce all GSS components for their personal use, including the 12 GSS books, all images, and software. You may support as many students as you like at $5/student. Teachers are encouraged to license an entire class of students. School districts are encouraged to implement site licenses or district license dependent on the population of students in the school or district. Parents, individuals, and companies may choose to support GSS students-at-large with purchases of licenses. E.g 100 licenses = Local support; 1000 licenses = Regional support; 10,000 licenses = Global support.