Achimota School has seventeen Boarding houses split between nine Girls and eight Boys accommodation.
The OAA 1980 year set up a Best House Annual Award, one for the Eastern and the other for the Western compounds and donated a Cup plus a notional cash component to be awarded at the annual speech and prize giving event. The criteria for the award encompassed academic and sports grades, positive impact of house /members on school and physical upkeep of house and gardens
