OPINION OF THE COURT
Order affirmed, with costs (see Matter of Cohoes City School Dist. v Cohoes Teachers Assn., 40 NY2d 774; Board of Educ. v Areman, 41 NY2d 527; Matter of Acting Superintendent of Schools of Liverpool Cent. School Dist. [United Liverpool Faculty Assn.], 42 NY2d 509).
Concur: Chief Judge Breitel and Judges Jasen, Gabrielli, Jones, Wachtler, Fuchsberg and Cooke.