There’s no kitchen because the knights have to learn to cook for themselves in basic conditions and since the 2 fireplaces in the great hall work as ovens and the shelves as fridges the sims living there can use those to prepare food. The living conditions are basic: common sleeping chambers for the trainees and the commanders have 4 separate bedrooms on the top floor.
So to guarantee that there’s training dummies and archery targets in the courtyard, the library has chess boards and you can practice charisma with the podiums. In order to do that they have to have max skills at least in logic, fitness and charisma. This is the place where my knights in-training live and train before they can qualify to serve the king. I think this is my 1st medieval sims 2 building that I’ve put up for download and about time it is. SIMS 2 - Download Medieval Knight’s Training Barrack