Students with best achievement are students who successfully achieved
excellent achievement, either in curricular or co-curricular according with the
required criteria. Nowadays the data process to determine the applicant for
excellent achievement student has used manual system. It allows the present of
mistake in processing the data of excellent achievement student selection. The
score calculation requires long time, mainly in the process of determining and
ranking. The supporting decision is the right system to be applied because this
system allows to decide the chosen alternative. The used method in the research
was Weighted Product. Weighted Product used as it has criteria which exist in
deciding the excellent student in Muhammadiyah University of Purwokerto does
not involve the level of interest.