All UAV AOPA training institutions are training institutions applied by enterprises. They are only responsible for training, and then send you to the test, just like driving test.

Training is divided into theory and practice. In fact, these are all textbooks uniformly stipulated by the Civil Aviation Authority Association. Just like reading, the general direction of big textbooks is basically the same as that of national textbooks. Every school has a good reputation and a bad reputation. There are also good grades, good reputation and poor grades.

It still depends on how you measure it yourself.