So top tier allopathic schools like Yale and U of Penn are non-rolling. Does this mean that they do NOT start reviewing applications until.. say October 15th (the date a lot close). Would this mean that one can take a second MCAT to have a better chance at specifically these non rolling schools, even if they have submitted their AMCAS app already in order to be competitive at rolling schools? I am confused on the rolling vs non rolling idea because AMCAS makes you apply to all the schools at once, not permitting separation.