English teachers may choose to design their own teaching materials for several reasons:
1) They can contextualize materials to their specific students and educational environment since published materials are generic.
2) They can tailor materials to individual student needs and learning styles to increase engagement.
3) Home-made materials allow for more personalization, spontaneity, and tapping into student interests.
However, teacher-made materials also risk being disorganized, lacking quality or coherence if not designed carefully while considering student needs, curriculum goals, teaching context, and resources available. Significant time is also required.