What is the most efficient way or studying? (MCAT)

Hi,

I'm retaking the MCAT this July. Last time I studied, I just studied directly from the books I had and tried to do the associated practice problems. This wasn't helping me retain the information for long periods of time.

I find that making outlines/taking notes of each chapter of my MCAT books works pretty well for retaining information, but this takes forever. It's the same issue with watching videos online.

Can anyone that's scored high please help

Thank you