They say time is needed to plan for the return of in class education.
Unions say schools need time to plan for a return to opening, as Government's made a u-turn on bringing Leaving Cert students back to school for three days a week.
They will instead be taught remotely until the end of this month.
The Government changed its mind after pressure from the teaching unions the ASTI and TUI who said their members wouldn't teach in class.
TUI General Secretary, Tullamore's Michael Gillepsie says it's the right decision: