From the Illinois Chess Coaches Association blog:
2010 ILLINOIS K-12 ALL-GRADE STATE CHESS CHAMPIONSHIP
Entry Fee: $125 per High School until Nov 10th. BRING Everybody for the fee of five.
Coaches can pay team registration fee at the tournament or online.
Register your teams at www.chessteachers.org
USCF Membership required--However, we can provide a one day membership that is valid for this event only. The fee for the one-day membership is $7 per player.
USCF Memberships can be purchased at USCHESS.org. We recommend a yearly membership for each player.
Individual entry fee is $25/player until Nov 5th.
If you have any questions, contact Paul Kash at firstname.lastname@example.org or 773-512-2811