Northern Lehigh High School is a public high school located in Slatington, Pennsylvania. It is the only high school in the Northern Lehigh School District. Students in grades 9 through 12 from Slatington, Walnutport, and Washington Township in the Lehigh Valley region of eastern Pennsylvania attend the high school. As of the 2021-22 school year, the school had an enrollment of 470 students, according to National Center for Education Statistics data. Northern Lehigh competes in the District XI athletic division of the Pennsylvania Interscholastic Athletic Association and is a member of the Colonial League. History The current high school building was completed in 1981. An addition was added in 2000 for a new library and art room. Prior buildings, which housed the school include: Lincoln Building (1890–1915) (Chestnut Alley & Kuntz Street) "Old High School at Main Street" (1916–1958) (2nd & Main Streets) (Currently) Northern Lehigh Middle School (1958–1981) (Top of Kuehner Hill; Bulldog Lane) (Currently) Northern Lehigh High School (1982–present) (Bulldog Lane & Snyder Avenue) The high school had been known as Slatington High School until the name was changed to Northern Lehigh High School in 1981, with the first class graduating in 1982. Academics Northern Lehigh High School operates on a semester system. The school year has two semesters, each with four 86 minute class periods. Students are also offered the opportunity to take vocational training at Lehigh Career and Technical Institute and can take college courses offered through Lehigh Carbon Community College. Athletics Main rivals Northern Lehigh's main sports rivalries are closely aligned with geographic proximity. Northern Lehigh and Palmerton High School have had a strong rivalry for decades. From 1946-74, both school's football teams met for a Thanksgiving Day game, and the teams still end their regular seasons each year by playing one another. A natural rivalry has also developed with Northwestern Lehigh High School, which was once a part of Northern Lehigh School District until the 1950s. Teams Northern Lehigh fields teams for interscholastic competition in a number of sports including, baseball, boys and girls cross country, boys and girls soccer, boys and girls track and field, field hockey, football, boys and girls basketball, wrestling, and softball. PIAA state champions Since its founding, Northern Lehigh High School has won PIAA state championships in the following sports and seasons: Softball: 1988 ("AA"), 96 ("AA") Wrestling: 1985 ("AA"), 2005 ("AA") PIAA state qualifiers Northern Lehigh High School