The 17-year-old moved from Waiuku two years ago to take part in Cromwell College's Outdoor Pursuits Programme.
He lives in one of five flats occupied by pupils who attend the school.
They cook for themselves and have to keep everything tidy for the regular inspections.
‘‘It's really good,'' he said.
The programme allowed him to snowboard every week, tramp and mountain bike along with other activities.
He also completed the South Island Secondary School Adventure Race, in a traverse team. ‘‘The whole year has been amazing.'' Sean is also heavily involved in a variety of sports, including rugby, hockey, football and cricket.
He likes to keep busy because ‘‘it's better than doing nothing''.
Hockey is his favourite sport and he played for the college's first XI and the Cromwell men's B team, earning the Cromwell Hockey Club's Fair Play Award.
The Cromwell under-18 rugby team also benefited from his talent and he won the most dedicated player award last year.
He even found time to help coach the Cromwell women's rugby team.
Last year, he played for the Cromwell first XI football team and this year he played for the college's first XI cricket team.
As well as land-based pursuits, Sean enjoys scuba-diving, becoming a qualified open-water diver when he was 14. He loves going snorkelling with his father.
Achievements: Cromwell under-18 rugby player; Cromwell men's B hockey team player; Cromwell first XI football player 2008; competitor in the South Island Secondary School Adventure Race; qualified open water diver; recipient of Croon Award for enthusiasm and commitment to rugby.
Role model: Piers Westacott. the Apartments manager, "He is really genuine, I look up to him."
Hopes for the future: To become an officer in the New Zealand Army. He is attracted to the outdoors and performing a variety of tasks.