If you want to learn to cook, you don't necessarily want to be a chef. Is it necessary to go to a chef training school? If you go. ...
I suggest you go to school, because if you study at school, you may get a diploma, and you can certainly be interested in this industry. If it is difficult for you to find a job in the future, you can go directly to the hotel to work, which is better for your future. If you don't go to school, you won't get such treatment. It is recommended to learn Sichuan cuisine.