Graduate studies at Prince of Songkla University started in 1979, 12 years after the university was founded, when the university had already enrolled its first 10 master’s degree students into the program for an M.Sc. in Chemical studies. At present, the Graduate School offers 1 Graduate Diploma, 112 Master’s Degree programs 3 Higher graduate Diploma and 56 Ph.D. programs. Enrollment into the graduate programs is approximately 20% of the total university enrollment per year in five campuses.