“…Moreover, no control group was used in this study (that is, one group having undergone a communitybased intervention and the other not) in order to evaluate the real impact of the BO2 program and provide a comparison over time (before and after) (Duncan & Magnuson, 2003). Also, it was impracticable to take into account the characteristics of the young people (e.g., mental health problems) and their surroundings although it is recognized that students' networks (family, friends, and others), the mobilization of school teams, and a positive relationship between young people and the institutional system contribute significantly to preventing school drop-out (Beaumont, Bourdon, Couture, & Fortin, 2009;Vultur, 2009;Cook, 2008;Marcotte, Royer, Fortin, Potvin, & Leclerc, 2001;Rousseau, Tétreault, Bergeron, & Carignan, 2007;Molgat, 2007;Bourdon & Vultur, 2007). Another limitation concerns the impossibility of generalizing the results due to the small number of cases studied.…”