Livingston High School is a four-year comprehensive public high school that serves students in ninth through twelfth grades from Livingston, in Essex County, New Jersey, operating as part of the Livingston Public Schools. It receives all eighth grade graduates from Heritage Middle School. It is the only high school in the Livingston Township. The school has been accredited by the Middle States Association of Colleges and Schools Commission on Secondary Schools since 1958.Livingston High School offers 28 Advanced Placement (AP) courses within eight department areas. The principal is Mark Stern.As of the 2014-15 school year, the school had an enrollment of 1,846 students and 156.6 classroom teachers (on an FTE basis), for a student–teacher ratio of 11.8:1. There were 14 students (0.8% of enrollment) eligible for free lunch and 15 (0.8% of students) eligible for reduced-cost lunch.Building and facilitiesAs of 2011, LHS completed a $50 million renovation and expansion project featuring a new science wing, orchestra room, atrium and a "fitness and wellness center" . The cafeteria, auditorium, digital design room, freshmen locker room, and TV studio was refurbished as part of the multimillion-dollar renovation. All of the new additions feature LEED-certified energy saving fixtures. In addition, existing areas of the building, originally built in 1953, was upgraded with a host of new technology. This includes, but not limited to, a new security system, centralized HVAC, a state of the art fire safety system as well as new audio-visual equipment for every class rooms. Cosmetic changes to the interior include new ceiling tiles, lighting, flooring and paint. The project was paid for with the proceeds of a $51.5 million bond issue approved in a 2005 referendum and included the addition and renovation of more than of space.