If you are looking for model courses, you should ask questions so that you find the best deal. The right courses for you will depend on your needs. Maybe you want to train as a professional model. In this case, you need a top line model agency that will give you the right training. In case you have a full time job or another profession, you can attend a model school that offers part time courses. This way, you keep your job while you get the training you need.
You can find model schools online or offline. It all depends on what works for you. Remember that training to become a fashion model takes time and effort. You will learn many useful things from the school but you also need to make some effort to succeed. Find the right institution, concentrate on your studies and you will get excellent results.