Excessive student-teacher ratio

Understaffing in schools
Inappropriate size of school classes
Many of the problems concerning children are made worse by the high ratio of children to teachers in understaffed schools.
In American and western Europe, for example, a common ratio is 30 children to 1 teacher. It is generally recognized that a satisfactory ratio is no more than 10 children to 1 teacher, but this is affordable only by private or special schools, where parents pay fees.
(E) Emanations of other problems