A state judge on Aug. 28 again declared the way Texas funds its public schools unconstitutional, ruling that the so-called “Robin Hood” funding formula flunks the task of fairly distributing dollars across school districts in rich and poor areas. State District Judge John Dietz issued a written ruling reaffirming a decision he issued from the bench in February 2013 that the funding mechanism doesn’t provide for a “general diffusion of knowledge” as required by the Texas Constitution. Dietz…