This online webinar aims to explore the dynamic nature of mixed-ability ELT classrooms, emphasizing the application of differentiation strategies to cater to diverse student needs and its potential to optimize English language learning. The webinar will start with a brief presentation on the underlying theories and principles of differentiated instruction. Then, it will offer a practical toolkit of differentiation strategies tailored for ELT, enabling teachers to adapt their instructional approaches smoothly. Participants will focus on several differentiation strategies, such as tiered assignments, flexible grouping, and learning stations that accommodate individual learning styles. By the end of the webinar, participants will be equipped with a clear understanding of differentiation principles and a repertoire of strategies to address the unique challenges of mixed-ability English language classrooms.