There's really nothing to add here other than two things.
1 - you need to have the audio on when watching this. If you hear those 3rd graders freaking erupt and a smile doesn't form across your face then you, my friend, are a mean one, Mr. Grinch.
and 2- Can we talk about this follow-through?
Either that's Ray Allen in drag, or this isn't this teacher's first time getting wet from downtown. (Get your mind out of the gutter)