The four day event at the University of Bath saw 92 teams compete against each other, with 36 countries represented including Australia, South Korea, Brazil and Canada.
The Animal Allies themed competition involved pupils designing, constructing and programming their own Lego robot to complete a series of themed challenges as well as producing a project solution to a real-world animal problem.
S4 and S5 students Greig Dunbar, Eleanor Burns, Lauren McKinna, Scott Clancy, Joshua O’Sullivan, Lukas Andreasen, Duncan Sloan and David Rennie achieved a highly creditable third place for their innovative research project involving GPS guide dog navigation.
Caroline Menzies, from Wallace Hall said: “This has been a fantastic experience for the pupils.
“Not only have they been able to showcase their engineering skills and teamwork on the international stage, but they have also been able to sample different cultures and create partnerships for the future.”
“The students, who achieved success at the Scottish Nationals and UK and Ireland Final before reaching the International Open Championship, are determined to do even better in next year’s competition and they already have the World Championships in their sights.”
