I always wonder why most of UK and US colleges work like boarding schools, with on-site living. Obviously it is expensive! Just like boarding schools. Most of

I always wonder why most of UK and US colleges work like boarding schools, with on-site living. Obviously it is expensive! Just like boarding schools. Most of universities in continental Europe are simply buildings scattered through the city. You can stay with your parents or rent cheaply, and this is the main reason why education costs here were never a problem.