Last year, St Kevin's found itself in the middle of a public relations nightmare when a video emerged of "Skevies" boys shouting out an offensive chant on a public tram.
The school says it "challenges its young men to become the saints and scholars of the modern era". But a Four Corners investigation has uncovered other incidents that point to a systemic problem.
Despite the school's insistence that it does not tolerate bad behaviour, Four Corners has uncovered evidence of how a desire to protect reputation at all costs has allowed a toxic culture to flourish.
Watch more Four Corners investigations here:
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