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ive been traditionally scoring in the mid 160s on all of my practice exams, given that i always score only about -2 on LG. this exam was probably the worst ive ever done on an LG section (at least since my first diagnostic)...im anticipating below a 160 which is brutal considering the amount of work i put in to studying.
its my first time taking the LSAT and with an ug gpa of a 3.88 i was hoping to have hit the mid 160s and to have applied t30...

should i cancel or keep?
i will be retaking in oct., i just worry about the overlap in scheduling that this exam will undoubtedly have, ie with classes, comps, thesis...

Keep. You really have no idea what the curve will be -7, -13?? even if you did poorly just go back and study harder. The schools report your highest score to USNWR and that is all they really care about. Don't believe them when they say they look at the whole applicant or that they consider every part of the application. They go through 6000+ applications in about 6 months. They don't have time to spend more than a few moments on you.