The Tanaiste says he's confident a full reopening of schools in September is possible.
Teaching Unions are concerned that fully reopening schools may be made difficult by social distancing requirements.
New guidance from the Department of Education suggests primary school students from third class up to 6th, and all secondary school students will have to socially distance in class.
Tanaiste Leo Varadkar said this evening that the full reopening of schools will depend on the behaviour of the Covid-19 virus. .
However, the INTO has warned that larger classes in primary schools may need to be split and additional teachers hired in order to adhere to social distancing.
Vincent Duffy, Principal of Breaffy National School in Ballina is the INTO representative for Mayo and Sligo.
He told Midwest News that the new guidelines on social distancing will pose logistical difficulties for schools with larger class sizes - particularly where there are over 30 pupils in a class.