Denton County April 22, 2022 6:38 pm ‘I Knew What Had to Be Done': North Texas Saves Choking Student The Krum High School teacher caught on camera saving the life of a choking student talks about making the split second decision. Wake Up to Something Good 1:54 School board elections underway in North Texas 2:59 Mesquite girls robotics team flexes STEM muscles at VEX Robotics competition 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