Maternity-leave probe for union prez sis

The sister of teachers-union president Michael Mulgrew is under investigation for failing to disclose she managed a company that raked in $39.6 million in public-school contracts while she was on an 11-year child-care leave from her city teaching job, The Post has learned.

Kathleen Mulgrew-Daretany, 40, was an English teacher at Lafayette HS in Brooklyn for less than five years with a $56,707 salary. She left in 2001 on maternity and child-care leave, but was allowed to remain on the Department of Education employment rolls.

She finally resigned in 2012, but the DOE rehired her this year as a $75,828-a-year “program officer.”

During her leave, Mulgrew-Daretany worked as chief operating officer for Brienza’s Academic Advantage, a Brooklyn-based company that sells teacher-training seminars and student tutoring. She is listed as COO in a Brienza’s organizational chart filed with the DOE. She left “last year,” a company official said.

DOE payments to Brienza’s rose from $5,109 in 2002 to $10.9 million in 2012, when the city received No Child Left Behind funds for after-school tutoring, officials said.

City employees are barred from holding second jobs with companies that do business with the city unless they get approval from their agency head and a waiver from the Conflict of Interest Board.

“She was required to request a conflict-of-interest clearance, but she did not seek one,’’ said DOE spokeswoman Connie Pankratz. She said Mulgrew-Daretany’s work for the vendor “was not disclosed to us.”

Pankratz said the DOE discovered the “potential conflict of interest” only after The Post asked about Mulgrew-Daretany’s work history last week. It has referred the matter to Schools Investigator Richard Condon and the conflict board, she said.

Mulgrew-Daretany, who lives in Staten Island like her union-leader brother, hung up when reached by The Post on Friday.

The possible violation came to light the same week Mike Mulgrew won a second full term as president of the United Federation of Teachers, a post he has held since 2009. Union members re-elected him with 84 percent of the vote.

The DOE grants employees child-care leaves up to the August after a kid’s fourth birthday. Mulgrew-Daretany extended her leave because she gave birth again.

She did not collect a salary or benefits during the leave. “It’s an entitlement,” Pankratz said. “You’re guaranteed that your job will still be there when you return.”

Mulgrew-Daretany’s new DOE job, which she started in January, is funded by a grant to study how schools help students prepare for college and careers, officials said.

How she got a higher-paying management position after an 11-year absence was not explained. The DOE could not say Friday whether she listed Brienza’s on her résumé.

Betsy Combier, a paralegal and blogger, said she wasn’t surprised at Mulgrew-Daretany’s cushy deal. “At the DOE, it’s not what you know, but who you know,” she said.

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