Do civil society organizations have a didactic role in instructing its members about politics that extrapolates the immediate issues of interest of that organization? Most of the literature, especially that on the role of the participatory budgeting process of the Workers´ Party in Brazil, claims that such meetings are an opportunity structure for individuals to come together and not only debate their local problems, but also discuss politics more broadly. The same logic applies to other forms of activism, such as participation in Labor Unions, political parties, neighborhood associations and even church groups. This paper attempts to test, using a unique public opinion panel dataset of Brazilian voters collected in the 2002 elections, if activists are, in fact, better informed about politics, specifically, about campaign issues. In addition, the paper also tests if potential informational gaps caused by gender, race and class are attenuated by participation in civil society organizations.