Teachers say they must be prioritised for Covid-19 vaccines to limit disruption to the Leaving Cert in June and prevent uncertainty over the start of the next academic year in September.
It comes as the Department of Education considers implementing a pilot antigen testing scheme aimed at minimising the spread of Covid-19 in schools.
Education Minister Norma Foley is seeking a meeting with her Northern counterpart Peter Weir to learn about the use of the tests there. Pupils and teachers in Northern Ireland have been urged to consider taking two tests a week to reduce the risk of transmission.
National Association of Principals and Deputy Principals (NAPD) president Michael Cregan said the tests would complement measures already in place.