Even the other things, it's not just level of maturity but length of time, number of different experiences, opportunities, etc. But if you are worried about any particular score, I would tell your doctor the next time you are there, see what he thinks and/or see if you can get in a conversation with a parent about counseling or hang out with an older aunt/uncle, someone you trust that's outside your situation and can help shape it in ways that being in the situations you have been in cannot because they're part of your problems.