First, you can choose a famous technical chef school. As we often hear about Jinan Lan Xiang Technical School, it is very famous. New oriental chef training school. Mainly studying in the local area. If there are no famous local schools, then you can find some more reliable chef schools.
Second, you can also go to the local vocational secondary school chef class. Of course, it would be better if there were chef classes in local vocational schools. Just go straight to school. There is no need for an exam.
Third, you can go to the hotel to study directly. Work and study at the same time, but you are underage, and sometimes you may be investigated and people will kick you out.
In short, children who have not graduated from junior high school can participate in chef training. As long as they are interested, willing to study and concentrate on their studies, they will definitely become chefs.