Ho-Ho-Kus School District is a community public school district located in Ho-Ho-Kus, New Jersey, United States, that serves students in pre-kindergarten through eighth grade. As of the 2020–21 school year, the district, comprised of one school, had an enrollment of 597 students and 49.7 classroom teachers (on an FTE basis), for a student–teacher ratio of 12.0:1. The district is classified by the New Jersey Department of Education as being in District Factor Group "J", the highest of eight groupings. District Factor Groups organize districts statewide to allow comparison by common socioeconomic characteristics of the local districts. From lowest socioeconomic status to highest, the categories are A, B, CD, DE, FG, GH, I and J. Public school students in Ho-Ho-Kus for ninth through twelfth grades attend Northern Highlands Regional High School, which also serves students from Allendale, Upper Saddle River and some of Saddle River's students (who have the option of attending either Northern Highlands or Ramsey High School, as part of sending/receiving relationships with the two districts). In 2016, the Ho-Ho-Kus and Northern Highlands districts reached an agreement to extend the send / receive agreement through 2026 under a fixed-price contract by which Ho-Ho-Kus would pay $3.6 million for the 2016-17 school year, escalating by 2% a year to $4.3 million in 2025-26, regardless of the number of students from the borough sent to the high school. As of the 2020–21 school year, the high school had an enrollment of 1,364 students and 106.3 classroom teachers (on an FTE basis), for a student–teacher ratio of 12.8:1. History The original school building was constructed in 1936. Over the years, several additions have been made to the school. The most recent construction added of space, primarily in the middle school wing, but the addition included the new cafeteria, two science rooms, and administrative offices. There was also a renovation of the existing school building. A 1973 plan to have students from Ho-Ho-Kus attend Midland Park High School in Midland Park, New Jersey as part of a combined regional district never came to fruition, despite official approval and encouragement by the New Jersey Board of Education. Ridgewood had been hosting students in grades 9 to 12 from Ho-Ho-Kus at Ridgewood High School for 75 years as part of a sending/receiving relationship, until the Ridgewood board of education ended the arrangement in 1973 due to overcrowding and a proposed regionalization agreement between Ho-Ho-Kus and