Collectif Pop-Part is a scientific collective that brings together researchers, professionals and young people who participated in an ANR (French National Research Agency) research program called “Les quartiers populaires au prisme de la jeunesse : une recherche participative” (“Working-class neighborhoods through the lens of youth: a participatory research program”), conducted between October 2017 and June 2022 in 10 towns and neighborhoods in Paris and the surrounding Île-de-France region.