Lori Alhadeff and Ryan Petty, left, are seen in Fort Lauderdale, Fla., after turning in their paperwork to run for the Broward County School Board in May. Both parents had a 14-year-old daughter who was killed in the mass shooting at Marjory Stoneman Douglas High School in February.

Lori Alhadeff and Ryan Petty, left, are seen in Fort Lauderdale, Fla., after turning in their paperwork to run for the Broward County School Board in May. Both parents had a 14-year-old daughter who was killed in the mass shooting at Marjory Stoneman Douglas High School in February