This paper reports on the insights of a case study carried out between 2012 and 2013 within the Municipality of Sogamoso, Boyacá state, Colombia. The study mainly sought the perceptions of in-service language teachers regarding the establishment of a national bilingual model in their local educational system. Furthermore, the project intended to contrast the policy adopted by the Ministry of Education of Colombia with what the language teachers think the implementation of the National Bilingualism Program should be. Under the principles of qualitative research, and by using a questionnaire and a group interview as data-collecting instruments, findings reveal a conspicuous tension between what it is proposed by the government and what is recognized by the participants of the study. As a consequence of the study, teachers' perceptions help delineate a proposal which consider current policy constraints and challenges and actions to be taken to establish a more participatory bilingualism model within their context.