Complex sentence: John Peers went to Mentone Grammar and led the 1STS team to two premierships, has first when he was in Year 7 in 2001 and his second when he was in Year 12 in 2006.
Split into simpler sentences: John Peers went to Mentone Grammar and led the 1STS team to two premierships. His first when he was in Year 7 in 2001 and his second when he was in Year 12 in 2006.