
    (No. 6470
    J. H. Schmitt, Jr., Vaughn Brown, Raymond Carter, W. Orloff Smith, Ralph E. Campbell, Jesse Hunley, Jr., Charles L. Du Laney, Claimants, vs. State of Illinois, Superintendent of Public Instruction, Respondent.
    
      Opinion filed April 18, 1972.
    
    Virgil D. Shafer, Attorney for Claimants.
    William J. Scott, Attorney General; William E. Webber, Assistant Attorney General, for Respondent.
   Perlin, C.J.  