B. M. Bower 
The Flying-U’s Last Stand [EPUB ebook] 

Classic western. ’ An amusing account of Chip and the other boys opposing a party of school teachers.’ According to Wikipedia: 'Bertha Muzzy Sinclair or Sinclair-Cowan, née Muzzy (November 15, 1871 – July 23, 1940), best known by her pseudonym B. M. Bower, was an American novelist who wrote fictional stories about the American Old West. Born Bertha Muzzy in Cleveland, Minnesota, she was married three times: to Clayton Bower, in 1890; to Bertrand W. Sinclair, in 1912; and to Robert Elsworth Cowan, in 1921. She wrote 57 Western novels, several of which were turned into films.’