When Do I Need To Take Classes By?

CS 60: Spring of sophomore year
Math 55: Fall of junior year
CS 70: Fall of junior year
CS 121: Spring of junior year
CS 81: Fall of senior year
CS 105: Spring of senior year
CS 131: Spring of Senior year
CS 140: Spring of senior year

Note that putting courses off this late is not recommended, encouraged, or a good idea.