Yes, those evil bugeaters up north did it first. But some ideas are just too good not to copy, and the cause is so righteous that only a heartless villain would object. Prepare for your allergies to suddenly rise up.
Although the impact on US, the viewer, will be lessened over time, this is something every school should do when they have the chance. These kids deserve a day of happiness and dreams.
Oh, and there's this, too:April 26, 2014