This study has been prompted to show the importance of having a good environment for those English Language students. The research is aiming at the principal factors affecting the attentiveness and the performance during the learning process in an environment surrounded by variables that avoid a good condition of teaching/learning progression. This research contributes to identify them and to give recommendations for a possible solution in the framework of an appropriate atmosphere for educational purpose. The population of this study was the EFL students of the Extracurricular Courses department at UASD (East-side), Santo Domingo, DR, period 02-2018. During this research were sampled only three different levels: Beginning, intermediate, and Advanced, from which was interviewed a student per level and the corresponding teacher about the environmental factors that may interfere with the learning-teaching process. The data was gathered from the observation of the factors affecting the English classes around the building and classrooms, also the open interview was used as a technique by asking some questions to the students and teachers in order to know the factors that they considered inappropriate for the English learning process. During this research, it was found that the concentration is the main inner factor affected, while, On the other hand, the external factor that interferes the most the teaching-learning process is the noise coming from the surrounding areas because of the location. Future studies may consider these when thinking of the environment and classroom adequation focused on the students' concentration.