Sentence:  A comedy in Three Acts '' , in which , under `` Personages '' , Henrietta appeared as `` A Schoolmarm '' , and Bertha , who was only a trifle less brilliant in <WSD>high</WSD> school than Henrietta had been , appeared as `` Dummkopf '' . 
Meaning of the word marked with <WSD> tags:  a public secondary school usually including grades 9 through 12