There are no limits on what Texas high school football coaches can be paid, as long as school boards vote to approve contracts set by administrators.   So how much is too much? It depends who you ask.   “Our society places a lot of value on Friday night lights and our high school football teams,” said Steven Poole, executive director of the United Educators Association, which advocates for teachers in DFW. “I’m hoping someday society places that high of a value on teachers.”   Administr