Dallas December 17, 2019 5:33 am Preschool Classes Held Every Day at Dallas Zoo The Dallas Zoo is one of only a few zoos in the country to offer preschool classes. Wake Up to Something Good 2:29 Popular math program ‘Dreambox' helping improve test scores 3:06 Colleyville teacher uses the Mavs to make math fun 2:43 STAAR testing underway in Texas 2:52 Education Headlines: STAAR grading, Keller ISD program relocation and AT&T donation 3:12 Inflatable planetarium used to help students understand the solar eclipse