The final text is thought to be more mature in this message, I think students from boarding school, it seems to have the idea that mature over students from the school went back because he thinks many yourself.
Finally, the idea is more mature in terms of boarding school students, I think it probably would have thought that more mature students returning to school because many of them have to think for yourself.
The last one is the idea that as adults than in this one I think students from boarding school นั้นน่าจะ thought is more mature than students from the school to go back because many things he needs to think about yourself.