According to the 2021 "Complete University Guide", 9 out of the 30 subjects offered by King's rank within the top 10 nationally, including Business & Management Studies (2nd), Law (4th), Psychology (5th), Linguistics (6th), Food Science (7th), Sociology (8th), Dentistry (9th), Classics & Ancient History (9th), and Biological Sciences (10th). "The Guardian" University Guide 2021 ranks King's in the top ten in 6 subjects, including Psychology (2nd), Politics (5th), Law (6th), Anatomy & physiology (8th), Media & film studies (9th), and Philosophy (9th). The "Times Higher Education" ranks King's College London the top 20 universities in the world for Psychology (11th), and Clinical, pre-clinical & health (16th) in the 2021 World University Rankings by subject. King's College London has had 24 of its subject-areas awarded the highest rating of 5 or 5* for research quality in the 2004 Research Assessment Exercise, and in 2007 it received a good result in its audit by the Quality Assurance Agency.