Founded in 1912, Notre Dame de Sion High School is an all-girls Independent Catholic school providing the highest quality college preparatory education. A Sion education prepares girls for a lifetime of success. It's small by design and offers challenging academics matched to personal needs and aspirations. Beyond academics, there is a focus on developing strong relationships and life skills that make it easier to navigate transitions and challenges. The well-rounded Sion experience provides graduates an educational, emotional and social foundation that sets the stage to be an active participant in their own lives and the lives of those around them.