Generally, in Missouri child support terminates when a child dies, marries, enters the military, becomes self supporting, or turns 18. However, child support can continue after age 18, and all the way to age 21, if the following requirements are met:

If the child is enrolled in and attending high school when he or she turns 18, then child support will continue through the completion of the high school program or age 21, whichever first occurs...

To continue reading more of Mark Wortman's article about child support in Missouri, go to the Missouri Divorce & Family Law Blog. The blog's homepage can be viewed here.