When on campus, Lisa Riggs spends most of her time in the classroom monitoring both teachers and students like Caroline Alvarado (left) and Alizon Crisanto.

State Teachers Group Files Suit Over Proposed Evaluations

The Texas State Teachers Association filed a lawsuit in Travis county Wednesday against Texas Commissioner of Education Mike Morath, seeking to stop the state from implementing a controversial teacher evaluation system that would be based in part on student improvement and performance.