Conversation so far:
Where did Scott Walker first go to school?
He graduated from Delavan-Darien High School in 1986.
What can you tell me about Scott Walker's education?
In the fall of 1986, Walker enrolled at Marquette University.
What happened next with Scott Walker's law evaluating the reading skills of kindergartners?
The law also created a system for evaluating teachers and principals.

Question: How were they evaluated?
Self-contained rewrite: How were teachers and principals evaluated under Scott Walker's 2012 law?