I have always been under the impression that child support continues past the age of 18 if the child is in college. My child will turn 20 in May, graduated high school at 18, has been in college as a full time student since then and still lives at home with me, her mother. I'm now confused and worried. Confused because I was told by a friend that support ends at 18 irregardless of the fact that she is in college and worried because does that mean I'm legally responsible for paying back what's been paid since she turned 18? I live in Connecticut with our child and her dad lives in New Jersey.is the law different in N.J.? is that a factor? if it should have ended at 18 was I to inform the child support bureau she turned 18? Any help will be greatly appreciated. Thank you.