Complex sentence: Napanee District Secondary School colloquially known as "NDSS" is a Canadian comprehensive school, public high school located in in Napanee, a town in Lennox and Addington County in eastern Ontario, Canada and is approximately 40 kilometres west of Kingston.
Split into simpler sentences: Napanee District Secondary School colloquially known as "NDSS" is a Canadian public high school located in in Napanee, Ontario, Canada. NDSS is a comprehensive school located in Napanee, a town in Lennox and Addington County in eastern Ontario, Canada and is approximately 40 kilometres west of Kingston.