74.5 to 65. Meiling Primary School in Yangzhou City, founded in 1947, is a primary school founded in Yangzhou City. The fifth grade math score of this school is 100: full mark, with 99.5 to 85 as excellent, 84.5 to 75 as good, 74.5 to 65 as passing, and below 65 as failing. Meiling Primary School was founded in 1947, formerly known as Shi Kefa Primary School in 1982. With the approval of Jiangsu Education Commission, Meiling Primary School was renamed as Jiangsu Experimental Primary School from Jiangsu Key Primary School.