Two teams from ACS (Primary) went to the OM World Finals in Maryland 2008 and won 1st and 3rd positions. The team that achieved 1st place had taken part in OM for two years but this was the first time they had reached the world finals. The third-placed team were competing for the second time and this was their second time in the World Finals. The first time they were in the World Finals (2007), they became champions. Four teams from ACS(I) also took part in the finals, with two of them returning World Champions. The two ACS (Barker Road) and the two ACS (Junior) teams also took part in the World Finals.