I have an international GPA (round up to 3.6), and the LSAC transcript evaluation was only "above average". I have a STEM PhD from a top US engineering school and work experience in a law firm. I also think acing the LSAT is important. I got into Berkeley ...
My wife took it at Northwestern several years ago and it was about an 8 or 9 hour affair due to the number of students... I was in small rooms for both of my takes and was in and out in just under 5 hours.