Are you willing to take loans?
Have you considered service academies or ROTC?
If you take federal loans only (I believe it is $28K total or so over 4 years, $6500 in years 1-2 and then $7500 in years 3-4), then your budget is around $20-22K between what your mother can pay, loan and work.
See what your SAT scores are but schools in Florida should definitely be in your budget.
USF, UCF others like those should be considered.
Since you are Hispanic, consider smaller schools in TX too like Angelo State that gives fabulous scholarship $.