<p>Once you’re 18 your parents cannot force you to go anywhere. Well, except out of their house, they have that right when you’re 18.
But back on the topic:
You can go to any school or any modeling agency that you can pay for. But you cannot make parents pay for your choices. You see, that’s the difference about being 18. Before that, as legal adults and parents they must pay for you. At 18, you are considered a legal adult. You can make your choices at 18; but your parents are over 18 too. They can make their own choices.</p>
<p>I am assuming you have checked out the agency with other agencies, and BBB and other sources to know they are legitimate, right? Merely holding a casting call does not prove that. Plenty of girls are lured by this and kidnapped and such.</p>