There are many excellent Computer Science resources out there, here are our top few (please let us know of any other ones that might be useful to CS students):

Frankfurt International School’s CS pages

Computer Science Wiki online IDE for online flowcharts

Moqups for online wireframes

Mockaroo for random data sets

Yuml for making UML diagrams

Geeks for Geeks 

Reddit’s IBO forums

MIT Open Courseware – Computer Science


Data Science degree options in the US