00 Help Our Kids to a Happy New Year! 2o Good News, a new Arizona law allows you to file School Tax Credits past the Dec. 31 deadline. Make your $200 donation:(for $400per couple) for extra curricular activities to Willcox Schools just before you file, up to April 15, 2019, and claim your full tax credit. Deduct 1 00% of your donation from your 2018 Arizona State Income Tax Return. Drop off your donation to the District office or send to WUSD # 13, 480 N. Bisbee Ave. Willcox, AZ 85643