Many are due to open their doors at the end of the month
It's believed principals are facing issues with planning laws when trying to add extra space to buildings.
The Taoiseach has committed on multiple occasions to all primary and secondary students returning in September.
Cork South-Central TD and Sinn Fein's Education Spokesperson Donnchadh O'Laoghaire believes a lot of schools have been put in an unfair position:
