Students have told the Herald the incident involving six girls wearing nothing but underpants and helmets was part of an annual streaking event.
End of year school pranks are something of a global tradition, ranging from the classic undie run to more sinister schemes.
We've looked at a lengthy list of the stunts that have enraged Kiwi teachers and made headlines over the years and distilled it to find five of the best - or worst - pranks
Students roam in their underwear near John Paul College in end of year undies run. Photo / Stephen Parker
Around 30 Rotorua Boys' High students were seen running along the city streets towards John Paul College about 11am yesterday wearing only their underwear.
While such end of year pranks have become common in schools around the country, John Paul College principal Patrick Walsh was furious at the half-naked antics.
Teachers and students arriving at Kuranui College on the last day of the school year were startled to discover a "For Sale - Kuranui College" advertising sign at the school's entrance.
Year-13 students at Kuranui College play an end-of-year prank by having a sign made suggesting the school is up for sale. Photo / Andrew Bonallack
The sign invited offers for the decile 5 college, fooling teachers as well as other students.