What does Zach 'create Claverage middle school from the book schooled?

In the book "Schooled," Zach creates Claverage Middle School by mixing elements of his hippie upbringing with traditional school practices. He encourages creativity, individuality, and promotes a sense of community among the students. By incorporating unconventional teaching methods and fostering a supportive environment, Zach transforms the school experience for his classmates.