PS (Public Sandberg) is responsible for external communications and school-wide events at the Sandberg Instituut. PS manages Sandberg’s digital presence across social media, external newsletters and the website, aiming to document the activities of the school's departments, workshops, student body, and its wider community. PS also produces the annual Open Day, the Opening of the Year, and the Graduation Show campaign. Sasa Ghanem-Chaney and George Sinclair have been running PS since 2024.