The Hogg doesn't speak for all students. 

Via Guns.com: 

A group of 150 students across the Lone Star State wrote Gov. Greg Abbott to urge the Republican to keep gun rights in mind when considering action in the wake of a school shooting in the state.

Organized by March 4 Our Rights, an avowedly pro-gun student organization, the June 1 letter comes as a response to an open letter to Abbott signed by 41 Texas students and published as a full-page ad in the Houston Chronicle by gun control group Everytown.

“While we might lack the ability to finance a similar response, we do have a voice,” said the letter in part after slamming the Everytown-backed effort. “We are students of Texas and we want our parents, our teachers, and our law enforcement officers to have a voice in making our schools safer, not the gun control lobby.”

Read more here.