Susan Noonan, President of Duchesne High School, To Step Down

St. Charles, Missouri (March 27, 2024) - Susan Noonan, president of Duchesne High School in St. Charles, Missouri, has submitted her resignation as of June 30, 2024. She started with Duchesne in July 2021 after having worked at Ursuline Academy in Dallas, Texas.

A St. Louis native, Ms. Noonan came home to the area and quickly became part of the Duchesne community. In the three short years as president, she brought energy and commitment to the mission of Duchesne in shaping students in mind, body, and spirit, in the legacy of St. Rose Philippine Duchesne.

While at Duchesne, she helped navigate the changes in All Things New with the Archdiocese of St. Louis, led the development of a new strategic plan, bolstered the enrollment and fundraising, and brought on a new principal and director of advancement.

“We truly appreciate Susan’s efforts in strengthening Duchesne and building on the momentum for our future direction,” said Duchesne Board Chair, Theresa Ruzicka. “We wish Susan well in future endeavors,” she added.

The Duchesne Board of Directors will commence a search for a new president.


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Duchesne High School is a Catholic college-preparatory school that has provided students with unique opportunities to develop their God-given talents for over 100 years. The school offers a faith-based education with academic excellence in a coed, real-life setting, shaping students as a whole person in mind, body, and spirit. Duchesne’s Catholic identity and family-like environment are at the heart of what makes it special. For more information visit the Duchesne website at https://www/