Editor’s Note: Click on the words highlighted in this story to pull up a definition and short research summary. Jackie Chaney, an elementary teacher for the past 16 years, currently presides over a ...

BROWNSVILLE, Texas — It’s nearly 5 p.m. on a Friday, and Dolores S. Perez is hard at work in the Brownsville Public Library. She’s also one of the people having the most fun. Parsing education data ...