Answer
In California, if either the bride or groom is under 18, at least one of the minor’s parents, or legal guardian, must appear with the couple when applying for a marriage license. Certified copies of birth certificates are required. The couple must also schedule an appointment with a counselor and then appear before a California superior court judge.Source: Getting Married in California
You are putting your boyfriend in legal jeopardy because of your age, and also because of the difference in your ages - 5 years. Yes, your parents can press charges against him. We don't see any loop holes in California law that would give a judge any reason to allow you to marry against your parents' wishes.
Additionally, scientific research is showing that teens don't think with the rational portion of their brains which is another reason why teenagers shouldn't be making a major decision like getting married.
If you truly love one another, we recommend that you quit seeing one another behind your parents' backs. Show your parents that you are mature by getting their permission to have him come to your house for dinner, or to spend an evening watching a movie at your home with your parents.
Concentrate on finishing high school, and make plans for your life together when you are of legal age to marry.
Proceed to the next question.
