Hillside Elementary School provides a range of educational services for the physical, social, emotional and academic development of students in kindergarten through grade four. Its academic curriculum includes several subjects, such as language arts, music, physical education, art, social studies, math and science. It has a parent-teacher association that organizes several fundraising events, including Box Tops for Education and book fairs. The school has a library and media center that stocks a variety of reading and reference materials and electronic resources. Hillside Elementary School is a part of the Northern Valley Regional High School District and is located in Closter, N.J.