A 16-year-old has been arrested at his Victorian private school over a drugs investigation.
Bendigo Police arrested the Girton Grammar School student on Friday.
The school was alerted by police of the pending arrest and fully co-operated, headmaster Matthew Maruff told AAP on Monday.
The youth was interviewed and released pending further investigations, a police spokeswoman said.
The teenager has been expelled from the school, five other students are being questioned by staff about drug use off-campus and have been asked to stay home until the investigation is complete, Mr Maruff said.
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Mr Maruff said there was no suggestion any drug activity had taken place at the school.
In a statement on the school's website, Mr Maruff said "we are shocked by this incident".
"Girton Grammar School takes a zero tolerance stance when it comes to anything to do with illegal drugs," the statement read.
"We have a duty of care to our students to make sure that school is a safe place to be so any illegal activity of any kind at the school is unacceptable."
