<p>It’s clear that you are capable of doing excellent work in school–as you have been accepted into these selective programs. So, if you welcome the academic aspects of college (TO is challenging but also very invigorating) and are willing to work hard, you will have an excellent GPA result, especially in TO where these top professors like to reward commitment and talent. You will also be among the top echelon of high achieving students, which makes class time, study groups, and chances to make friends more at the level you may appreciate.</p>
<p>I can’t tell what the rigor is of your AP curriculum as programs differ from HS to HS–but if you are getting 4 or 5’s on your AP exams, your school has a rigorous program and/or you are just a very gifted student. I suggest you will find TO at USC a little easier than taking 5 APs, as you only need take one or two TO classes/semester. Of course, adding Science Honors to that may just put it back up to the same level as your 5 APs. 
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<p>P.S. Sometimes pre-meds find new interests in college. It happens. Studying with the top professors in TO gives you access to very small classes with amazing professors. Perhaps in such an inspiring class, a students discovers a passion for neuroscience or some other field. I really think it’s worthwhile to think of your entire education. Life is not just one long conveyor belt into the MedSchool factory. ;)</p>
<p>Best of luck.</p>