Natalia Vareseo completed her secondary practicum teaching English to 13-year old students in Argentina. She faced the challenge of a heterogeneous class level, from students with no English knowledge to those attending private institutes. Natalia reflected on using visual aids, videos and hands-on activities to engage students at different levels. She worked to improve her classroom management and timing. Overall, the experience helped Natalia gain confidence in teaching adolescents and she learned the importance of adapting lessons to meet students' needs.