The country's largest secondary teachers union has been invited to a fresh round of talks to resolve a row over plans for the Leaving Cert.
The ASTI pulled out of discussions last night, and criticised a proposal to rely heavily on a calculated grades system as "not viable".
The Department of Education says it was "taken aback" and disappointed at the union's decision.


Keith Grace, Karol Sadlier, Ceola and Carron announced as the station's A New Local Hero finalists