I got my helix pierced when I was 13 years old last year wow but sadly, I leave it so yeah no more HOLE!!. This year, I got 3 cartilage pierced. Buttt I asked my parents’ permission already so no problem and it depends on your school also if your school allow so just get it!! I go to professional shop in Thailand and they even asked me that Did your parents allow? And I said “yes”. If you want to get that pierced, I would recommend you to go for needle piercing!