This article explores the stability of student organizations along two main dimensions: number of students and length of existence. Also, we examine if the national presence of a student organization affects student organizational stability. Using Howard University yearbooks to examine a large population of African American students, we found that stability varies greatly by type of organization. In terms of the number of students, we found that the most stable organizations were the national social groups. In terms of length of existence, we found the Pan-Hellenic organizations to be the most stable.