A bird in hand is worth two in the bush. Are you so sure that you will find a better school that costs you and your family the same or less?
You could be throwing away a life-changing opportunity!
Please rethink this! Talk to the adults in your life (guidance counselor, teachers, etc.)
What “dream school” idea (and why is it your top choice?) is stuck in your head where you think you will be admitted affordably?