The Christmas carol reading level refers to the difficulty and complexity of the language used in the story. There are several levels of reading comprehension, from beginner to advanced. A Christmas carol reading level can be anywhere from beginner to intermediate, depending on the book or story. The language used in a Christmas carol story is usually simple and easy to understand, but there may be some words or phrases that are more complex and may require explanation. Additionally, the story may have some advanced concepts and themes that may require further explanation or discussion.