Stoneman Douglas High senior Tyra Hemans holds a sign in front of the bus before boarding for the road trip to Tallahassee. Emily Michot emichot@miamiherald.com

Stoneman Douglas senior Tyra Hemans, 19, is comforted in a group hug before she boards a bus with classmates for a trip to the Capitol in Tallahaseee to demand tighter gun control. Emily Michot emichot@miamiherald.com

Supporters of Marjory Stoneman Douglas High students before they left on buses to Tallahassee to demand more political action on gun violence. Emily Michot emichot@miamiherald.com

Marjory Stoneman Douglas High students wait to board buses to head to Tallahassee to demand stronger gun control. Emily Michot emichot@miamiherald.com

Marjory Stoneman Douglas High School students Julia Salomone, 18, and sister Lindsey, 15, celebrate with other students as their bus leaves Coral Springs bound for Tallahassee on Tuesday, Feb. 20, 2018, to demand stronger gun control. Emily Michot emichot@miamiherald.com

Stoneman Douglas trip organizers, students Cameron Kasky and Jaclyn Corin, both juniors, talk to the crowd of students ready to board buses to head to Tallahassee on Tuesday, Feb. 20, 2018, to demand stronger gun control. Emily Michot emichot@miamiherald.com

Marjory Stoneman Douglas High School students board buses to head to Tallahassee on Tuesday, Feb. 20, 2018, to demand stronger gun control. Emily Michot emichot@miamiherald.com

Marjory Stoneman Douglas students and some parents board buses Tuesday afternoon for Tallahassee. Emily Michot emichot@miamiherald.com

Marjory Stoneman Douglas High School student Rachel Catania and chaperone Debby Miller, a teacher at Beachside Montessori Village, waiting in the the office of Sen. Gary Farmer, D-Fort Lauderdale. They were among the first students and chaperones from Parkland to meet with lawmakers. Mary Ellen Klas meklas@miamiherald.com