Retention Rate:  The percentage of students that stay at the university from freshman to sophomore year.

Institution Name:  The name of college or university whose data is shown on the graph.

Sector:  Describes whether a college or university is private or public.

Public:  A college or university started and owned by the state in which it resides.

Private:  A college or university that is privately owned and funded.

Graduation Rate:  The percentage of students that graduate at 4, 6, and 8 years from their respective first year.

Carnegie Classification:  The classification given to a university based on multiple factors such as research level and highest degree awarded.

Institution Size:  The number of students enrolled in the university.

Cluster:  A grouping of universities based on similar variable values, used to compare institutions with more similar statistics. "Clarkson Cluster" being the group that contains Clarkson University.