News & Information Administration Athletics Board of Education Calendar Community Partners Curriculum Employment Registration Student Services TV SD131 iMail Contact Us  Department Contacts: Name Title Phone Email Grades ( 6 - 8 ) Ojii Hill Cowherd Coach  630-299-5958 ohill.Cowherd@d131.org Kristy Cortright Simmons Coach 630-299-4176 kcortright.simmons@d131.org Monica Francis Waldo Coach 630-299-8406 mfrancis.waldo@d131.org Grades ( 9 - 12 ) Gary Hoyne Math Department Chair ( 9-12 ) 630-299-8161 ghoyne@d131.org Dr. Christine Warren Math Facilitator 630-299-5548 cwarren@d131.org         Math Curriculum Curriculum Menu Math Home Grades K-5 Grades 6-8 Grades 9-12 Testing Schedules Homework Help Math Clubs & Contests Contact Us