The furious wife of a philandering Staten Island principal blew the whistle on her husband’s affair with a younger teacher at his school, where he helped his lover win tenure... Principal Anthony Cosentino, 43, engaged in a “consensual sexual relationship” with the married staffer, Jacqueline Sinodinos, 28, the Special Commissioner of Investigation for city schools found in a newly released report accusing him of possibly violating the city’s conflict-of-interest rules. The scandal broke up two marriages. Both Cosentino’s wife and Sinodinos’ husband filed for divorce. .... Cosentino, 43 .. remained on the DOE payroll making $187,632 despite what SCI Anastasia...