The Halton Catholic District School Board (HCDSB) community is mourning the unexpected death of Nancy Dinolfo, a respected Superintendent of School Services whose decades of dedication to Catholic education left a lasting impact on students, educators, and families across Ontario.
Nancy Dinolfo passed away on June 8, 2026, in Oakville, Ontario. News of her death has prompted an outpouring of tributes from colleagues, friends, former students, and members of the broader Catholic education community who remember her as a compassionate leader, mentor, and advocate for student success.
Dinolfo devoted more than 30 years of her professional life to the Halton Catholic District School Board. Throughout her distinguished career, she served in a variety of roles, including teacher, Vice-Principal, Principal, and Superintendent of Education.
Most recently, she served as Superintendent of School Services, a role she held since October 2020. In that position, she helped guide educational initiatives, support school communities, and strengthen programs designed to help students flourish academically, spiritually, and personally.
Her colleagues often described her as a thoughtful and approachable leader who always placed students and families at the center of every decision.
Those who worked alongside Dinolfo remember her for her wisdom, kindness, and unwavering commitment to serving others. According to a statement shared by the Halton Catholic District School Board, she was known for making people feel valued and supported, whether she was working with educators, students, parents, or fellow administrators.
Her leadership extended far beyond policy and administration. She was widely regarded as a mentor who encouraged professional growth and inspired those around her through humility, grace, and genuine care for others.
As a member of the board’s senior leadership team, she played an important role in shaping educational environments where students could thrive and feel supported throughout their learning journey.
The announcement of Dinolfo’s death has deeply affected the HCDSB community. In a public tribute, the board expressed gratitude for her faithful service and acknowledged the profound impact she had on generations of students, staff, and families.
As a symbol of mourning and respect, flags at HCDSB schools and the Catholic Education Centre were lowered to half-mast following the announcement. Friends and community members also shared messages of remembrance online. Among them was Marc Clare, who noted the sadness surrounding the passing of Nancy Dinolfo (Attardo) and encouraged others to read the official HCDSB announcement honoring her life and service.
Nancy Dinolfo’s legacy can be seen in the countless lives she influenced throughout her career. From classrooms and school offices to board-level leadership, she remained committed to strengthening Catholic education and creating opportunities for students to succeed.
Her dedication to service, belief in the value of education, and compassionate approach to leadership earned her the admiration of colleagues and families alike.
While her passing leaves a significant void within the Halton Catholic District School Board and the wider educational community, those who knew her say her influence will continue to be felt for years to come through the schools, programs, and people she helped shape.
Nancy Dinolfo Obituary
Nancy Dinolfo will be remembered as an educator, mentor, leader, and faithful servant of Catholic education. Her more than three decades of service reflected a lifelong commitment to helping others and fostering communities where students and educators could grow and thrive.
She leaves behind grieving family members, friends, colleagues, former students, and countless members of the HCDSB community who were touched by her kindness and leadership.
As tributes continue to pour in, many are remembering not only her professional accomplishments but also the warmth, compassion, and humanity she brought to every role she held.
May Nancy Dinolfo rest in peace.