They were just babies when the attack on the World Trade Center in New York occurred. But these 10-years-old know a lot about 9/11, an event that changed their lives dramatically.

The fourth-graders at Collegewood Elementary in Walnut marked the 10th anniversary with a patriotic assembly on Friday.

“It was a significant event in all our lives, so we wanted the bring the whole school together to remember every one killed in the attacks,” said Principal Carolyn Wills.

Read more about 9/11 events in Walnut Valley schools later today.