Don't be too quick to call a school a Mcdojo. Unfortunately it is a comercial buissines and to keep things going, kids classes are necasary. Unless you find someone teaching out of their house, or in Europe they have clubs, you are going to find that there are alot of shools with Tiny Tiger classes. Judge the school more on the teachers ability to answer questions, and how he carries himself. If anything, ask some of the students as they come out of class about it. Good luck in your training!