Teen stabbed after end-of-school party in Brisbane

A teenage boy has been stabbed after an end-of-year school party descended into chaos.

Up to 100 gatecrashers showed up to the Brisbane home last night with drunken scenes spilling out onto the streets.

Oriel Road, Clayfield in the city's north was flooded with flashing lights and emergency vehicles as the end-of-year celebration turned ugly.

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Jarrah Lloyd said she arrived home at 9pm to find " a couple of hundred kids roaming the streets, all very intoxicated".

Officers praised the parents at the home who had registered the party with police before gatecrashers got wind of the event through social media.

"The parents cancelled the party and asked all those people to leave, and that's what caused the large congregation of students and teenagers out on the street," Chief Inspector Karl Hahne said.

Dozens of teenagers ended up on the streets, where the 16-year-old boy was stabbed in the back.

"It went on for a couple of hours, sort of ramped up, got louder and louder as the evening went on, and then started to hear bangs and screaming," nearby resident Olivia Dean-Jones said.

Police say the teen had surgery and his injuries were not life threatening.

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Police dogs were sent out this morning to search for the weapon investigators believe was used in the attack.

Beer bottles and cans have been left in gutters and on nature strips, as well as canisters of nitrous oxide, known as "nangs".