will NOT “impress” any college admissions committee, especially if the other AP class is known to be an easy one. Admissions officers see through this ploy to “look better” every year.
the NUMBER of AP classes taken , is FAR FAR less important than the RIGOR of the classes taken.
Taking a 4th year of a difficult , and rarely offered foreign language, such as Latin, which VERY few students do, will set him apart from not only his HS classmates, but also from thousands of other applicants from other HS’s.