When I was Head of IT
Yr7-9 - 1 hour a week (completing the BTEC Extended Cert in yr 9)
Yr10-11 - Computer Science (AQA) 2.5 hours a week (3 hours in one year, 2 hours in the other)
HoD: 21/25 lessons [2 PPA, 2LTM]
Other lessons taught by non-specialists
NOR:600ish