Take a gap year.
With super high financial need you’d have needed to apply to lots of “meet need” colleges, not just two.
People from this website will be able to help you establish a better list and improve your essay.
Secure your letters of recommendation now, look up the MIT’s advice about writing letters to highly selective colleges and provide it to your teachers.
Work and volunteer during your gap year. Find a therapist/counselor to help you through this.