People's Education Edition is used in primary schools, Beijing Normal University Edition in junior high schools and People's Education Edition in senior high schools. The use of school textbooks is arranged by the Provincial Department of Education. The mathematics textbooks of public and private schools in Gaoling District use People's Education Edition in primary schools, Beijing Normal University Edition in junior high schools and People's Education Edition in senior high schools. Gaoling District, which belongs to xi, Shaanxi Province, is located in the north of Xi, bordering Lintong District in the east, weiyang district and Baqiao District in the south, Weicheng District, Sanyuan County and Jingyang County in Xianyang City in the west and yanliang district County in the north, with an area of 294 square kilometers. As of 202 1 and 10, there are 7 streets under the jurisdiction of Gaoling District. At the end of 20021,the permanent population of Gaoling District was 457,500.