"We are renewing our appeal, five years on, in the hope that someone will have information that could be the key to catching the offender.
“We carried out extensive enquiries at the time of the incident. Unfortunately we were unable to trace the person responsible. We now hope, by renewing the appeal, someone who was too frightened to speak at the time, can find the courage now and speak to us."
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Find out how the new data laws affect the general public and businesses.
49-year-old Callum Phillips was driving at speeds of up to 73mph shortly before the collision which killed 39-year-old Ryan Baird.
Local businesses have been working overnight to move chiller units into the school to cool classrooms down for students taking GCSEs.