ScottBall_Alamo_Heights_High-School_Students_Reactions_September-11_9-11_Education_history_9-11-2017-1

Katie Detner, 16, observes images of the World Trade Center attack on Sept. 11, 2001.

Katie Detner, 16, observes images of the World Trade Center attack on Sept. 11, 2001. Credit: Scott Ball / San Antonio Report

Katie Detner, 16, observes images of the World Trade Center attack on Sept. 11, 2001.