However, it is almost certain that his end will be unsatisfactory, because stocks are not something a student can play unless he is born a genius.
If you have a strong professional investment ability, you may also be able to "invest in stocks" part-time. You don't have to drop out of school to "invest in stocks" full time. If investors really have strong professional investment ability, then it may not take too much time to really learn "investing in stocks" every day.