Approximately 90% of teachers' salaries are met by the state.
The local community may also be involved in fund raising.
The raising of the school leaving age by Donogh O'Malley triggered the creation of publicly managed community and comprehensive schools.
Voluntary secondary schools still form the largest part of the post-primary school system and are attended by about 60% of post-primary education students.
A school principal is in general control of everyday business.