Registration difficulty
Can I register myself or find a registered institution? Many places have to register through training institutions and report for training courses.
self-study ability
What is the ability of self-study? If you have enough learning ability and time at school, you don't have to apply, but if you need atmosphere learning and teacher training guidance, then the training class is appropriate.
Peer circle
After all, students in the class can also communicate, which is also a platform for establishing human resources peer circle contacts. Maybe the students in the training class can introduce you to work and recommend candidates in the future.