How much of a boost is Early Decision?

<p>What if I have a 3.8 and have a 170 LSAT at the time of application? Should I ED to Columbia (given it’s my top choice among schools that have ED), given their LSAT range is 168-174 (the median and average being 172 and 171 respectively) and middle 50% GPA 3.56-3.81?</p>