When David Dzul approached his principal about setting up a voter registration drive on campus in 2019, he quickly realized why voting participation rates are so abysmal among his peers. Texas high schools have long been required to distribute voter registration forms to older teens twice a year. But Dzul said that wasn’t happening at Houston’s DeBakey High School, and he initially couldn’t nail down who the school’s designated voter registrar was — or if the school was even complying with the decades-old state law at all. Get the data and visuals that accompany this story → Dzul was trying to…