This most certainly will not go away if you fail to appear for your court date. Go to court. Ask for more time to comply with the order. Make a better effort to fulfill the community service requirements or the fine will be assessed. Try to seek legal assistance through a legal aid office. How is it that you are a minor living independently and out of state?
Do not miss your Court date. You are still under the jurisdiction of the Court. It would be better to go to Court and tell the Judge what happened as opposed to being absent and a warrant for your arrest issued. You can be committed to the Juvenile Division of the Department of Corrections beyond your 18th birthday. As I am often in Court; with your parents, call my assistant Dan London at 312807-3990 to set up a private telephone consultation. At the consultation we all can discuss the confidential details we need to craft a strategic plan. These details should not be broadcast over the Internet.
This is a general answer and does not address the specifics of your individual case. To give the specific answer you need our firm needs you to come in for a consultation.