Child support must be paid as long as a child remains dependent. A dependent child is any child under the age of 18, unless:

• the child has married, or
• the child is 16 years of age or over and has voluntarily withdrawn from parental control

Child support might also continue after a child turns 18 years of age if the child is unable to be self-supporting because he or she:

• has a disability or illness, or
• is still going to school full-time. ...more