If you want to learn tea, it is good to go to a professional tea training institution.
However, learning tea,
must
First of all, what is tea?
Don't mistake learning a tea-making craft for tea art, and taking the qualification certificate as a tea artist.
That would be a sin.
Tea artists are scientific tea makers and healthy tea drinkers who can bring tea into full play.
Professional, systematic and practical knowledge and skills of tea science are needed. Only when you know, like and cherish tea can you become a tea artist, and a tea artist is also a qualified tea critic. Otherwise, you will never be a tea artist, and you will always be just a waiter who pours tea.