A tutor brought in to improve pupils’ behaviour was filmed feeding a wild rat near the school kitchens.
Paul Ashworth, a member of staff at Springwell Community College in Chesterfield, is being investigated.
Pest control experts were also called in.
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It happened as the teenager was walking to school this morning. Anyone who witnessed the incident is asked to contact police.
The victims included three boys - two were brothers - and two men both aged 24.
The drivers are mainly unhappy about what they say is a failure to protect themselves and their passengers against violence