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, The Post has learned.

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. 3

After receiving an SCI report on the alleged misconduct in July 2024, the city Department of Education removed Cosentino, 43, from PS 21 in North Shore. But he remained on the DOE payroll making

See Full Page