The teachers union in a suburban Columbus district has pulled out of Race to the Top, putting the district at risk of forfeiting almost a million dollars ($960,000) in RTTT grant funding and many of the reforms that would come with it. Despite the fact that the union signed a Memorandum of Understanding last spring when Ohio applied for Race to the Top, it still must approve the district’s individual RTTT plan by October 22 in order for the district to stay in the grant mix and for funding to flow…