Background: In this study, based on the educational institution, we investigated the relationship between teen pregnancy and school dropout rates and how this influenced the school grade and age of pregnant women as a risk of truancy. Materials and methods: A voluntary survey was carried out in 180 public education institutions from the Department of Valle del Cauca, corresponding to a total of 112,470 female students, finding 605 pregnant women. From these, 564 were interviewed by a psychology professional at the beginning of the academic period, and monitored throughout the school year, identifying the school dropouts in this group. Results: We found that 24.6% of pregnant teenagers attending school dropped out during the academic period (8 times higher than the expected dropout rate in females). By analyzing the information, it was found that pregnant school girls between 16 and 18 years of age dropped out significantly less (p value = 0.011