Wits University Transport
There are a number of shuttle services that can take you from OR Tambo airport to Wits University with a variety of different prices.
EZ Shuttle: 0861 397 488
Dial Travel: 011 916 firstname.lastname@example.org
The Gautrain will get you close to the university but a taxi/shuttle or friend will still have to collect you from there to take you to the university.