How to look perfect at School. For the schoolgirls who have long hair this year is going to be trendy, as I will showcase you some cool ideas for long hairstyles that are stylish, easy and practical. Here you go: it can be ponytail hairdo's, braids, half up-half down do and buns. You can wear buns in different ways, starting from classic or spiral and even tie your long hair into ponytail. There are cool updo's like braided, rolled, or twisted ones. Concerning shaving one side or both sides of your head, I suggest you not to try this year, this won't be trendy this year.