MINEOLA, N.Y., March 16 — As the story of the $11.2 million Roslyn school embezzlement unfolded over the past two years, prosecutors and auditors often remarked on the almost giddy abandon with which a few administrators dipped into school funds to pay for personal indulgences like vacation trips, luxury homes, jewelry and pedicures. ...Mr. Signorelli, 60, of Manhattan, was for 33 years the domestic partner of the Roslyn schools superintendent, Frank A. Tassone. Dr. Tassone has admitted to stealing more than $2 million during his tenure between 1994 and 2002. Prosecutors said Dr. Tassone had been the schools chief for...