My advice is not to get into debt.
I know one person who left school at 15 worked 60 plus hours a week cleaner, forklift truck driver, baggage handler and by the time they where 20 they had a frozen ATPL.
It all went a bit pair shaped when they lost their medical at 23. The fact that they had no debt was their saving grace. It allowed them to forge a career away from aviation.
It does happen so be sensible.