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Bayfield High School pupils celebrated a ''phenomenal'' win in an international science competition run by an expanding Dunedin software company.
Education Perfect head of science Simon Wang said the online education business had expanded its range of subjects to include science, maths, English and social sciences.
An international online competition on the new subjects was held for the first year this year.
The science competition was open for eight days last month and had more than seven million questions, related to the New Zealand and Australian curriculum, answered by pupils from 1252 high schools in New Zealand, Australia, United States and England.
Bayfield High School pupils spent more than 1100 hours online answering nearly 160,000 questions and were awarded 79,085 points.
''It was absolutely phenomenal,'' Mr Wang said.
Bayfield High School was 10th in the global competition, fourth in New Zealand and first in Otago.
Year 13 Bayfield High School pupil Sean Ma said he was ''excited'' to score 6200 points, the largest points haul in his team.
The competition questions were on physics, chemistry, biology and general science.
He planned to study health science at the University of Otago next year and aspired to be a doctor.
Education Perfect chief executive Craig Smith said the company was ''absolutely flat out'' and had rebranded from Language Perfect at the end of last year.
''The business has doubled every year.''
The company employed 25 full-time staff and would be hiring several more part-time staff.