Global Crossword Olympiad GCO is probably the first of it's kind global online contest for school students in Science, English, Computers and G.K. GCO is conducted by Olympiadtester and allows you to benchmark your child's grasp of concepts with her/his global peers in a unique way without putting any pressure.
Students from 2500+ schools and the following countries have participated in our global assessments / contests so far.
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