Northside High School or North Side High School or Northside Christian School or Northside School ir similar can refer to:
United States Alabama Northside High School (Northport, Alabama), a high school in Alabama
Arkansas Northside High School (Fort Smith, Arkansas)
Florida Havana Northside High School, Havana, Florida Northside Christian School (St. Petersburg, Florida), a high school in Florida
Georgia Northside High School, which merged into North Atlanta High School, Atlanta, Georgia Northside High School (Columbus, Georgia) Northside High School (Warner Robins, Georgia)
Illinois Northside College Preparatory High School, Chicago, Illinois
Indiana North Side High School (Fort Wayne, Indiana)
Louisiana Northside High School (Lafayette, Louisiana)
Mississippi Northside High School (Mississippi), in Shelby Northside School (Mississippi), a landmark in Clay County, Mississippi
Montana Northside School (Montana), on the National Register of Historic Places in Park County, Montana
North Carolina Northside Christian Academy, Charlotte, North Carolina Northside High School (Jacksonville, North Carolina) Northside High School (Pinetown, North Carolina), part of Beaufort County Schools (North Carolina)
Ohio Northside Christian School, Westerville, Ohio
South Carolina Northside Christian School (North Charleston, SC), North Charleston, South Carolina
Tennessee North Side High School (Jackson, Tennessee) Northside High School (Memphis, Tennessee)
Texas John Marshall High School (Leon Valley, Texas) (formerly Northside High School), Leon Valley, Texas North Side High School (Fort Worth, Texas) Northside School (Fargo, Texas) Northside High School (Houston), Texas
Virginia Northside High School (Roanoke, Virginia)
Washington North Side High School, former name of Whatcom Middle School, Washington
See also Northside Middle School (disambiguation)