Make an official request to the Child Support Enforcement Office for a modification. see links below
Not until your child is 18
As long as you're not on Welfare, contact child support enforcement.
no
Generally, yes.
you have to pay child support as long as your child is under 18 years of age
Depends on the age of the child. If the child is 18 or older and has dropped out of high school and is not pursuing a GED, the court may end the child support obligation. In most cases, child support will continue if the child is under 18, regardless of whether or not they are continuing their education.
no
Yes, any changes in the child support order has to be done in court. It does not end automatically.
Generally, with the majority or emancipation of the younger/youngest child.
see links below
you dont! Just pay for the child!
Yes, marriage emancipates a minor.