The best quality of consumer virtual reality uses PC based systems, as these have the computing horsepower to provide a smooth and detailed experience.
For the "Educate Africa through VR" initiative, we use SteamVR based systems for our high end requirements. SteamVR is a major platform with a continual stream of new virtual reality titles appearing on a daily basis.
Here is a video with a cross section of some of the educational software that is already available:
Call Richard +27 (0)83 733 5133 for more info