They also applauded the seven honorary degree recipients who joined them as part of the university's Class of 1992.
The median debt for bachelor's degree recipients who borrowed while attending private, nonprofit colleges was $22,380.
Later, the four teachers were introduced at a dinner along with the honorary degree recipients.
Convocation activities include a panel discussion, in which the degree recipients will answer questions, some of them tough questions, from the college community.
The university hooded its first 12 master's degree recipients in May 2009.
There were more than 650 degree recipients this year.
Eighty-five percent of the 1986 degree recipients in business and management found full-time employment by 1987, the most likely field of study to do so.
People associated with the university include alumni, faculty, and honorary degree recipients.
Both of its honorary degree recipients held influential roles in their respective countries' politics.
The university has a tradition of not naming honorary degree recipients until the day of graduation.