Bring the right amount of clothes according to your own needs and preferences.
It should be understood that boys must prepare at least one dark suit with khaki (beige) pants, ties and shirts as needed. T-shirts must be prepared for leaders, because you can't wear t-shirts in class.
Girls can bring their favorite personalized clothes and beautiful skirts, as long as they don't look too exposed in class. It should be noted that when there are important activities at school, you must wear formal clothes (boys' suits and girls' skirts). You should bring sports shoes and formal shoes, just three or four pairs.