Union School or Old Union School or variations may refer to:in the United States Old Union School (Birdell, Arkansas), listed on the National Register of Historic Places (NRHP)Geyserville Union School (Geyserville, California), NRHP-listed Union School (West Haven, Connecticut), NRHP-listedUnion School (Filer, Idaho), NRHP-listedBurns Union School, Burns, Kansas, NRHP-listedUnion School (Searsport, Maine), NRHP-listedDouglas Union School, Douglas, Michigan, NRHP-listedUnion School (St. Johns, Michigan), NRHP-listedNewton Union Schoolhouse (Camden, New Jersey), NRHP-listedUnion Schoolhouse, Red Bank, New Jersey, NRHP-listedEast Otto Union School, East Otto, New York, NRHP-listedEast Springfield Union School, East Springfield, New York, NRHP-listed Old Union School (Chesterville, Ohio), NRHP-listedOld Union School (Coshocton, Ohio), NRHP-listedWest Union School, Norwich, Ohio, NRHP-listedUnion School (Fort Washington, Pennsylvania), NRHP-listedDillingersville Union School and Church, Zionsville, Pennsylvania, NRHP-listed First Union School (Crozier, Virginia), NRHP-listedSecond Union School, Goochland, Virginia, NRHP-listed