Mainland Regional High School is a regional public high school and school district serving students in grades nine through twelve from the communities of Linwood, Northfield and Somers Point in Atlantic County, New Jersey, United States, serving a total population of over 25,000 in the three communities. The high school is located in Linwood. Mainland Regional High School has been recognized by the National Blue Ribbon Schools Program, the highest honor that an American school can achieve. The school is fully accredited by the New Jersey Department of Education.