The Experimental High School Attached to Beijing Normal University (Chinese: 北京师范大学附属实验中学, commonly abbreviated as The Experimental High School Attached to BNU (Chinese: 北师大实验中学) or Experimental High (Chinese: 实验中学) and sometimes referred to as ESBNU or SDSZ, is a beacon high school in Xicheng District, Beijing, China established in 1917. It is composed of a junior high school, encompassing grades 7 through 9, and a senior high school, encompassing grades 10 through 12. It is an experimental base for teaching reform considered by the Chinese Ministry of Education and Beijing Normal University.