Questions for Les Misérables School Edition

I am writing a novel, and want to learn how to obtain rights to use Les Mis in the book, legally!pieces of
What are the changes made? Are the keys different etc
About on campus Les Mis Jr. Presentation
Using the RehearScore app
Les Mis Sounds
Orchestration question-bass
What is the highest amount a group can charge for school edition performances.
What is the highest amount a group can charge for school edition performances.
What is the highest amount a group can charge for school edition performances.