District 9 can help advanced learners become more confident with fast and natural English. Following the story requires attention, so language difficulty is not the only challenge here. The language mixes everyday English with a few expressions that need attention, so it works best for learners who already have a solid base. At an average of around 90 words per minute, the dialogue is generally manageable, though some exchanges require more attention. District 9 works best for learners around B2/C1 who are ready for a more complex story.