South Auckland's Tangaroa College has asked students to cover uniforms in public after videos of student brawls surfaced.
Tension between students at Manukau schools is also spreading into online goading.
One video shows about 15 young people fighting, with one lying on the pavement being kicked in the head.
Principal Chris Bean says because Tangaroa College's uniform is so distinctive, he doesn't want students wearing it around and about.
"We just wanted to be sure that they could move through from home to school and vice-versa in a safe way."
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