Central School art teacher Jaime Berngard demonstrates painting technique on the massive mural at the school on Thursday, October 25, 2012. | Joel Lerner~Sun-Times Media

Central School's Isabelle Bonaguidi paints on the massive mural at the school on Thursday, October 26, 2012. | Joel Lerner~Sun-Times Media

Central School's Alex Two paints on her class' mural at the school on Thursday, October 26, 2012. | Joel Lerner~Sun-Times Media

Central School's Kennedy Meier paints on her class' mural at the school on Thursday, October 26, 2012. | Joel Lerner~Sun-Times Media

Central School's Camille Rose paints on her class' mural at the school on Thursday, October 26, 2012. | Joel Lerner~Sun-Times Media

Central School art teacher Jaime Berngard and PTA volunteers are helping Grades 1-4 students create a massive mural at the school. | Joel Lerner~Sun-Times Media

Central School art teacher Jaime Berngard and PTA volunteers are helping Grades 1-4 students create a massive mural at the school. | Joel Lerner~Sun-Times Media

Central School's Andy Crossgrove and Luke Pauly work on a recycling themed part of the massive mural at the school on Thursday, October 26, 2012. | Joel Lerner~Sun-Times Media

Central School's Colin Corboy paints on the massive mural at the school on Thursday, October 26, 2012. | Joel Lerner~Sun-Times Media

Central School's Stefan Rasio paints on the big hall mural at the school on Thursday, October 26, 2012. | Joel Lerner~Sun-Times Media

Central School art teacher Jaime Berngard and PTA volunteers are helping Grades 1-4 students create a massive mural at the school. | Joel Lerner~Sun-Times Media

Central School's Alex Two comes back for more paint for the massive mural at the school on Thursday, October 26, 2012. | Joel Lerner~Sun-Times Media

Central School's A Stefan Rasio pints on the big hall mural at the school on Thursday, October 26, 2012. | Joel Lerner~Sun-Times Media