Westfield Friends School (also known as WFS) is a private, coeducational Quaker day school in Cinnaminson, New Jersey, United States, within the Philadelphia metro area. Founded in 1788 and run by the Westfield Friends Meeting, it is the oldest Friends school in the United States operated by a meeting. The school's grounds are an 8+1⁄2-acre suburban campus. The school includes preschool through eighth grade, offering students an education based in Quaker values and an academic curriculum that prepares students for college-bound tracks in high school.