Definetly take SAT again and prep for math. Work through the blue book or an online program. Did you skip a lot of questions or guess on all? Working out a strategy on which questions to skip can impact your score if you’re looking to land in mid 600s. Have you considered taking math 1 or math 2 subject tests? I also agree re: try ACT. You might also look into Drexel.
There’s a website www.■■■■■■■■■■■■■■■.com with some good SAT advice. Check out the Score Calculator - you can see the impact of wrong answers / skipped answers on your score which can help you formulate a strategy for test day. Take a few practice tests and analyze which questions you’re getting wrong - are they the easy ones from the beginning of the test (you’re probably reading the question wrong, going to fast) or the hard ones from the end? (these are the ones you might be better off skipping) Is it one type of question? (i.e. geometry, probability) - With a little work you should be able to bump that score to the mid-600s like your other two - which will put you in a better position. If you can break 1300 M+CR you’ll be in good shape for many of those schools.