Stuart Country Day School of the Sacred Heart is an independent all-girls Catholic country day school located in Princeton, New Jersey, that serves students from pre-school through grade 12. Stuart is divided into a co-educational Early Childhood Program, a Lower School for junior kindergarten through grade 4, a Middle School for grades 5 through 8, and an Upper School for grades 9 through 12. The school was named for Janet Erskine Stuart.