<p>This article analyzes the main fears, challenges and obstacles experienced by same-sex parent families living in Bogotá, Colombia during their children’s transition to preschool. Using grounded theory methodology, the analysis revealed that parents feared issues regarding their children’s adaptation to school as well as the quality of care provided by teachers. Other fears included the existence of rejection and discrimination during the admission process and once their children started school. Similarly, it was found that parents experience certain challenges associated with teachers’ lack of preparation, the lack of representation of diverse families in the school context, as well as subtle and open expressions of exclusion. Future studies should further analyze the strategies used by families to overcome these fears and obstacles.</p>