I have create:
Full Time which is used for players who have full time contract
Part Time which is used for players with part time contracts
and Youth which is for players with youth contracts
In every training schedule you should find:
GK- which is training for goalkeepers
CB- it is a training for central defenders
FB- training for full backs
DMC- which is training for defensive midfielders
MC- it is a training for central midfielders
AMC- training for attacking midfielders
WIG- training for wingers
ST- and training for strikers.
When you downloaded schedules, you should be able to open download with WinRAR. When you open it you should have 3 .tsh files named Full Time, Part-Time and Youth. Put them in Documents/Sports Interactive/Football Manager 2012/Schedules. Then in game you click on manage schedules import and import which schedules you want.