Starting new course

Starting new course In a few weeks I'll be starting a pastry and confectionery course. The introduction day will be this month and I'm so so scared, I just wanna go hide and cry my eyes out. Basically I've always had a hard time saying my name cause of traumatic experiences from childhood, therefore whenever I stutter badly I wanna cut myself. I don't self harm anymore but I'm always terrified of falling back into the cycle of stutter, humiliation, shame, self harm. Anyone have advice for a 20 year old girl starting a new course? I can't stop thinking about screwing up on words or having to talk about myself out loud to everyone