These are actually really good tips, especially the Facebook page one. Yes yes YES. Met my roommate through the FB group, and we've been rooming with each other all four years
If we look at pure numbers, the demographics show that half of the student body consists of white individuals, with other race/ethnicities all marking below 10%. Some sources give 6% for Asian students. In my personal experience I would say I’ve been in situations where I felt there was diversity going but there were definitely cases where it did not feel as diverse. Hopefully that helps!