Check out Kirkus Review Magazine's Best Of Lists:
You can search for books in the catalog by limiting to "@ClemsonLibraries". After searching terms, limit the results (left side of screen) to "Library Locations" and choose to "Childrens/Young Adult" and/or "Education Media Center/Childrens/Young Adult" and/or "Education Media Center/Young Adult.". (you can select one or all of these locations at the same time)
Each year, School Library Journal creates a Best Of List, which covers picture books, middle grade, young adult, and nonfiction titles. A sample of those books are below: