MOBA is the acronym for Mfantsipim Old Boys Association.

The Old boys of the school contribute in diverse ways to the development of the school's infrastructure during every speech day. In the picture are some of such initiatives taken by the old boys. 

The MOBA Ashanti Incinerator has helped in dealing with the waste management problems in the school. 

The MOBA '83 PATO (Visitors' Center) a place for visitors to relax and refresh themselves when they come to visit their wards.

The MOBA '84 Infirmary serves as a health post for both staff and students alike. It has one Doctor and two nurses.

The Computer Lab was setup by the MOBA '70 and refurbished by the MOBA '82. It has given an impetus to I.T. training.