For Prizes, there is a couple ways you can go. In a past school district, the PTO graciously ordered medals for the first, second, and third place winners. Then we had a big party- everyone that participated was asked to bring a snack or a drink. We would have one grade bring drinks, one grade bring snacks, and one grade could bring sweets or dips depending on the kids. Everyone who read and participated was invited to this party and I handed out certificates, and prizes! The kids had fun and so did we!
In my present school district, we ask local businesses for donations for prizes.
the Local bank provided 5 certificates for a savings bond which is a big deal. We have also free movie tickets, free tubing trips, and free certificates for miniature golf.
A letter is sent at the end of the battle to thank the business for their donations. In the press release for the press and the school newsletter,we of course mention the businesses that provided the prizes!