Northgate School District
 Northgate School District is diminutive suburban public school district located in Allegheny County Pennsylvania. It serves the communities Bellevue and Avalon Pennsylvania. Northgate School District encompasses approximately 1 square mile (2.6 km2). According to 2000 federal census data it serves a resident population of 13113. In 2009 the district residents' per capita income was $19001 while the median family income was $41896.