Forty percent. Official website of Chongqing University shows that the final grade is calculated according to 40% of the usual grade and 60% of the final examination paper. The usual grades include 40% student attendance, 25% classroom interaction, 25% homework completion and 30% exam results. Chongqing University is a national key university directly under the Ministry of Education of People's Republic of China (PRC), which is jointly established by the Ministry of Education, Chongqing Municipality and the State Administration of Science, Technology and Industry for National Defense.