Please research the best sports academies and training centers globally for mult

Please research the best sports academies and training centers globally for multi-sport for players from age 6-18 and some sports individually?
Please find more sports academies to add that will be best for kids to go on sports scholarship provide facts, numbers and reasons why these places are the best
We need to justify every name we put there; why is a strong academy? also, a small description of the location and number of students, >>> details can be in the appendix
The same goes for the universities listed with data and numbers on why they are good.