KSAT Investigates is searching for solutions to classroom violence — examining what works, pressing lawmakers for answers and tracking efforts to better protect teachers.

Among the most competitive races on the Bexar County ballot for Texas House include District 118, which features Republican incumbent John Lujan and Democrat Kristian Carranza. The other Texas House race that’s expected to be competitive is District 121 between Marc LaHood and Laurel Jordan Swift.

A quick rundown of Tuesday night's results and winners, who now advance to the General Election in November.

Steve Spriester sits down with state Rep. John Kuempel and his runoff opponent Alan Schoolcraft as school vouchers has helped define their race for Kuempel's Texas House seat.

Schoolcraft served as a state Representative from 1981 to 1993 for districts 57 and 121, which are in Bexar County.

Long-time state Rep. John Kuempel faces perhaps the toughest test of his political career when he faces former state lawmaker Alan Schoolcraft for the Republican nomination for Texas House District 44 in the Texas Primary runoff election.

Long-time state Rep. John Kuempel faces perhaps the toughest test of his political career when he faces former state lawmaker Alan Schoolcraft for the Republican nomination for Texas House District 44 in Tuesday's Texas Primary runoff election.