Original sentence: The Guardian ranked King’s 7th in the UK in 2006 and 12th in 2007;  The Times 2008 league table ranks King's as 10th in the UK,  improving on a 17th place finish in 2007,  whilst the 2006 Sunday Times exercise listed King's in 13th place
Edited sentence: The Guardian ranked King’s 7th in the UK in 2006 and 12th in 2007;  The Times 2008 league table ranks King's as 10th in the UK,  whilst the 2006 Sunday Times exercise listed King's in 13th place