Update (May 1): Mitchell School won $50,000! Yay!
Original post: "Update, April 29: OK, folks. It's 10:45 as I write this, with just one day remaining in the competition. Mitchell Middle School is in 4th place -- well within sight of winning $50,000 to remodel the school's science classrooms. This is no time to slack off; we've seen the school's position go up and down day by day. Vote now!"
Vote irregularly and vote often.