Building on its current school nursing service, the assembly government hopes the new role will deliver its public health promotion agenda in schools and also extend it to families.
A consultation on the proposals, which closes in December, asks for views on four different family nurse models, and includes questions on the level of education the nurses should possess.
There are currently 224 secondary schools in Wales but only 67 nurses with a Specialist Community Public Health Nurses qualification.
Health minister for Wales Edwina Hart said: ‘The current school nursing service is variable across Wales. Our goal is to ensure the service provided to school-age children is sustainable, adaptable to change, responsive and effective.’
Richard Jones, deputy director of RCN Wales, said: ‘This is an important announcement and one which we welcome.’