Come in clean with neat, unwrinkled clothing. Try to look neat but cool at same time. If you don't know the dress code yet, be sensible . Think logically about what you probably wouldn't be allowed to wear, like mini skirts or really short shorts. Be well-groomed with neat hair and nails, and brush your teeth. Before the first day, try to get a manicure and a pedicure. You can do your own at home as well, but try to pick out a softer, school appropriate color.