As the high school teachers' strike entered its 23rd day on Sunday, the Secondary School Teachers Organization was due to respond in the National Labor Court to a petition filed by the Union of Local Authorities and the Finance Ministry requesting an injunction that would force the striking teachers back to work. Meanwhile, Histadrut Labor Federation leaders convened in Tel Aviv in order to decide what measures to take to help the striking high school teachers. Histadrut chairman Ofer Eini said last week that if the government did not resolve the crisis with the striking school teachers, the Histadrut would consider declaring a general strike. Eini also presented his own draft of a possible labor agreement that was centered on wage increases in return for extra teaching hours. Also Sunday, SSTO head Ran Erez attended a National Parents Association conference in a bid to convince more parents to join the struggle of the teachers, who are seeking a new and improved salary agreement. The association threatened Thursday to widen the scope of the strike, saying they will keep their children out of all schools - from pre-school to high school - if the National Labor Court orders an end to the strike. The education crisis seemed no closer to being resolved over the weekend after Chairman of the Council of Local Authorities Adi Eldar, who was recently appointed go-between for the SSTO and the Finance Ministry in their attempts to end the strike, announced that he was resigning as mediator.