a blessing to this end because there one has the opportunity to know the students in a variety of circumstances, to anticipate their reactions, how to deal with the various personalities and accordingly help them acquire virtue
This is a school where children would be sent away from home to be taught. They would live at the school, only returning home during the holidays. These were secondary schools for rich children. Most boarding schools in Victorian times were for boys.
A school where some or all students not only study but also live, amongst their peers but away from their home and family. The word 'boarding' is used in the sense of a 'boarding house', lodgings which provide both bed and board, that is meals as well as a room. Most famous UK public schools are boarding schools for ages 13 to 18, either single-sex or coeducational. There are any number of different types of boarding schools, for pupils of all school ages from boarding nursery or Kindergarten schools, to senior schools. Boarding prep schools for the age group 9 to 12 are becoming less usual in the UK, but many adolescents like to get away from home.