To determine the narrator of the "Scarlet Ibis," we can look for textual evidence or clues within the story. The easiest way to find this information is to read the story. If you do not have access to the story at the moment, you can try searching for online summaries or analyses of the story. These sources will usually mention the narrator's identity. Additionally, if you know the author of the story, you can research their background or interviews to see if they have revealed the narrator's identity.