The purpose of this action research paper is to disseminate the results of a 2-month study which focuses on how a student's first language (L1) reading comprehension skills affect the same skills in their second language (L2). The subjects of the study are sixth grade girls, ranging in age from 11 to 13 years old. They attend a private bilingual school in Bogotá, Colombia. The school instructs young people mostly from the higher socio-economic population. Outcomes presented are correlated with both established theories and research.