Schools Heartland Christian (Belton) High School Heartland Christian (Belton) High School is no longer a member of MSHSAA. The information on this page may be outdated or incorrect. Affiliate Registered School Info School State Records Mustangs & Lady Mustangs High School Activities (Fall) (2019-2020) Fall Winter Spring Activity All Heartland (Belton) Sr. has not registered any High School activities. Upcoming Events Dec 12 Basketball (V) vs. Chilhowee Jan 9 Basketball (V) vs. Miami Jan 17 Basketball (V) vs. Kingsville Jan 21 Basketball (V) vs. Chilhowee More Upcoming Events for Heartland (Belton) Sr.