Complex sentence: Denstone College opened a Preparatory School in 1902, which moved in 1938 to its present site of Smallwood Manor, becoming co-educational and opening a pre-school department in 1983, it also provided boarding accommodation until 1997 but now is a day school for ages 2--11.
Split into simpler sentences: Denstone College opened a preparatory school in 1902, which moved in 1938 to its present site of Smallwood Manor, becoming co-educational and opening a pre-school department in 1983. It also provided boarding accommodation until 1997 but now is a day school for ages 2--11.