A Victorian schoolgirl who overdosed after taking the drug ecstasy on a snow camping trip has been released from hospital and is safely recovering at home with her family.

Northeast Health Wangaratta hospital confirmed with AAP today that the teenager was now out of the woods, as was another girl also treated in hospital during the ordeal.

Six Seymour College classmates took the illicit party drug, also referred to as MDMA, while staying at the Alpine Retreat at Mount Buller on a school snowfields trip.

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The girl who overdosed was hospitalised in Wangaratta on Friday morning but released later that evening.

Her five MDMA-dropping classmates were assessed by paramedics, with the decision made to take a second girl into hospital, who has also since returned home.

Police arrested a 17-year-old Heathcote boy in relation to the incident, but the teen was later released. However, he is expected to be charged with the serious offence of trafficking a drug of dependence.

“We take this matter extremely seriously. As soon as staff became aware of the incident, police and emergency services were called,” Seymour College principal Gail Hardman told Nine News.