Andrea Bradley, general secretary of the EIS, said it stands ready to consider a new offer “as soon as it comes to us at the beginning of the working week”.
The union rejected a five per cent pay increase in September and its members are set to walk out on Thursday.
It will be the first national strike action over pay for almost 40 years, with nearly all schools expected to close. Two further strike dates have been announced on January 10 and 11.
