Complex sentence: The school was founded in 1612 by the Rev. William Lee, an annual founders day service is held in his memory at Batley Parish Church, this is as he requested upon his will, although it is not held on the same date as originally requested.
Split into simpler sentences: The school was founded in 1612 by the Rev. William Lee. An annual founder's day service is held in his memory at Batley Parish Church, as he requested upon his will, although it is not held on the date originally requested.