Check out Kirkus Review Magazine's Best Of Lists:
El Deafo by 
Blue Lily, Lily Blue by 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)
My Grandfather's Coat by 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:
Rain Reign by 
The Strange and Beautiful Sorrows of Ava Lavender by 
Have You Seen My Dragon? by 
The Night Gardener by 
Viva Frida by 
Egg and Spoon by 