D.C. State Superintendent of Education Hosanna Mahaley Jones is resigning, Mayor Vincent Gray's office announced Tuesday.

Mahaley Jones, who has held the position since 2011 and will step down July 26, attributed her decision to her husband's health.

"I appreciate the support that has been given to my family and to me as my husband's health continues to improve from the massive heart attack he recently suffered," she said. "As his recovery continues, we have decided to return home to Chicago to be near our family and continue the journey we started when we married 18 months ago."

Gray plans to name Assistant Superintendent for Post-Secondary Education Emily Durso the interim state superintendent while he looks for Mahaley Jones' permanent replacement.

Durso has previously served as president of the Hotel Association of Washington, D.C., of EV Housing Inc. and of the Home Rule Development Corporation. She also worked with Hospitality High School, a public charter school, as it was getting established.