
    Davison et al., Appellants, v. Mount Lebanon Township School District.
    Argued November 11, 1970.
    Before Bell, C. J., Jones, Cohen, Eagen, O’Brien, Roberts and Pomeroy, JJ.
    
      reargument refused January 4,1971.
    
      Guy L. Wwrman, with him. Henry G. Beamer, III, and Metz, Oook, Hanna & Kelly, for appellants.
    
      Donald 0. Bush, with him Philip A. Fain, Jr., and Griggs, Moreland, BlaÁr é Anderson, for appellees.
    November 12, 1970:
   Opinion

Per Curiam,

Decree affirmed. Appellants to pay costs.  