36 classes. According to the official website of Xi 'an Xingguang Experimental Primary School, there are six classes in each grade, so there are 36 classes. Xi An Xingguang Experimental School is a public compulsory education school in Beilin District, located in the middle section of Xingguang No.1 Road. The school was founded in 1960, formerly known as "Xi 'an Signal Factory Children's School", which belongs to the nature of running a school.