there are a few posts in CPD forum too Laminator Queen about the different routes
also look on the TDA website
had the same idea from my Head of school last week, luckily it wasnt a dilemma for me, i told him NO!
good luck though and let us know how you get on if you decide to go for it
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Climbing, forever trying - find your way out of the wild, wild wood
Now theres no justice - only yourself that you can trust in