SALEM - A flier the School Department sent home to parents about the new Salem Academy Charter School was "entirely inappropriate" and had claims that were untrue, according to the Massachusetts Department of Education. Several top state education officials reviewed the flier, which was printed by the Salem Public Schools and warned parents about signing up for the new public charter school that will open here in September. "It is not illegal to (send out the flier), but it is improper and entirely inappropriate," said Heidi Perlman, a state education spokeswoman who conferred with the department's general counsel, Rhoda Schneider....