Natalie Burke dances in front of (back to front) her sister, Isabella; Catherine Rak and Caitlin Sheehan. | Photos by Jon Langham~for Sun-Times Media

The gym floor became a dance floor with the addition of a DJ.

Angela Ullrich, a fourth-grader, leads a conga line across the gym floor.

James Vlahakis of Burr Ridge tosses his son, Ian, 3, up over his head.

Olivia Corcoran, third-grader from Willow Springs, demonstrates Irish dancing. | Jon Langham~for Sun-Times Media

Jane Bailey, a Pleasantdale Elementary School fourth-grader, shows off her St. Patrick's finery during the school's Shamrock Shake family event. | Jon Langham~for Sun-Times Media