Complex sentence: Founded in 1879 by Mr. W.C Bird as an all-boys' school, it became Chafyn Grove School in 1916, when it was renamed after its first benefactress, Julia Chafyn Grove.
Split into simpler sentences: Founded in 1879 by Mr. W.C Bird as an all-boys school. It became Chafyn Grove School in 1916, when it was renamed after its first benefactress Julia Chafyn Grove.