Did I kill my (already low) chances for Deerfield Academy?

Dear OP: No worries @doodlebean8 …FWIW our experience was that the Admissions office at DA was very supportive and understanding. Even after acceptance. Do follow up with them and make sure your file is complete.
Good luck! If you get to attend Deerfield, the Admissions office is in the building with fresh apples on the desk and hot chocolate with cookies in the winter.