The ASTI says it's going to meet with the minister for education today to discuss issues with the Leaving Cert, but they're not back in talks.
The teachers union withdrew from discussion about the exams last evening over the calculated grades part of the twin process.
The ASTI says it's committed to getting a solution as soon as possible but there has to be an exam result with standards.
Secondary students say it's unrealistic for the ASTI to demand the Leaving Cert go ahead as normal this year.
Reuben Murray, president of the Irish Second-Level Students' Union, says the row is only piling the pressure on students.