Two or three people. Official website of Yangzhou University shows that a class in Yangzhou University allocates 2 to 3 people to join the Party every year, with a maximum of 4 to 5 people. Within a year, a class can only recruit two or three activists to join the party. The quota for joining the Party is relative to the total number of students in the class, and the quota for joining the Party refers to the quota for preparing party member.