Best UCSD college for pre law undergrad in political science major?

Colleges & Universities University of California - San Diego
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The Residential College system is not major specific. Best ranked in what way?

The Residential colleges are more about the GE requirements and campus location so the best thing you can do is figure out which college GE’s work best with your major curriculum.

Here is a link which explains the GE curriculum for each college: https://www.ucsd.edu/catalog/front/UndergradColleges.html

This link lets you do a comparison of the GE requirements:
https://compare.ucsd.edu/

Also, all you can do is rank them and there is no guarantee you will get your 1st choice. In General, Muir college is known to be the most flexible with the GE requirements.