Complex sentence: The area had a long-standing secondary school, South Chadderton School, that relocated to neighbouring Hollinwood following amalgamation with the Kaskenmoor School and is now called Oasis Academy Oldham.
Split into simpler sentences: The area had a long standing secondary school, South Chadderton School. The school has relocated to neighbouring Hollinwood following amalgamation with the Kaskenmoor School and is now called Oasis Academy Oldham.