When to capitalize "Art Education":
* As a subject: When referring to the field of study, "Art Education" should be capitalized, just like "History" or "Biology."
* In a title: Capitalize "Art Education" if it's part of a title, such as a course name ("Introduction to Art Education") or a book title ("The Art of Art Education").
When to not capitalize "art education":
* As a general concept: When referring to art education in a general sense, you don't need to capitalize it. For example: "Art education is important for developing creativity."
* As part of a sentence: If "art education" is just a descriptive word in a sentence, it's lowercase. For example: "She studied art education at the university."
Ultimately, the best way to determine capitalization is to consider the context and how it's being used in the sentence.