''It might be necessary to approach the local community.''
Some students may be taught in parish halls or GAA facilities when they return to school next month.
Children from junior infants to second class won't have to observe social distancing but all others will have to be spaced a metre from their classmates.
75 million euro is being allocated to allow schools adapt their classrooms.
ASTI General secretary Kieran Christie says they will also be looking to the community to find space.
''It might be necessary to approach the local community for their parish hall or some GAA facilities, but perhaps it's unfair to put pressure on them like that'' he said.
''But certainly if the classes can't be accommodated in the current premises, other options will have to be looked at''.
On Monday, the government announced it's detailed plan for the reopening of schools around the country, which you can view here.
