What Would Basle Switzerland Be Like For A Youth Foreign Exchange?

im wanting to do a exchange right aafter my senior year and i was wondering what basle would be like i live in dallas fort worth right now somw i use to a big city i know basle is more relaxed but i like its location and its only about 40miles from zurich also if im right you can take trains into france and germany..
so i guess my question would be is a fun place for a teen to live whats the night life like
also drug wise whats it like