A teacher has been charged with multiple offences including assault after he allegedly stabbed a principal at a secondary school in Melbourne.

A teacher has been charged with multiple offences including assault after he allegedly stabbed a principal at a secondary school in Melbourne.

A Melbourne high school principal is recovering at home after he was allegedly stabbed by a teacher, plunging his college into lockdown.

A Melbourne high school principal is recovering at home after he was allegedly stabbed by a teacher, plunging his college into lockdown.

A Melbourne high school principal is recovering at home after he was allegedly stabbed by a teacher, plunging his college into lockdown.

A Melbourne high school principal is recovering at home after he was allegedly stabbed by a teacher, plunging his college into lockdown.

A Melbourne high school was put into lockdown after a man allegedly stabbed the principal at Keysborough Secondary College on Tuesday afternoon.

A man, reportedly a school principal, has been stabbed during an alleged violent confrontation with a staff member at a Melbourne school.

Detectives have charged a man, reportedly a staff member, with unlawful assault after a secondary school principal was stabbed on the suburban campus.

Detectives have charged a man, reportedly a staff member, with unlawful assault after a secondary school principal was stabbed on the suburban campus.