Classroom teachers Pay Scales
The main pay scale
As a classroom teacher you’ll start on the main pay scale, which ranges from point M1 to M6. Newly qualified teachers usually start on point M1, although other teaching experience may push you higher up the scale.
Schools may also award discretionary points for other relevant experience. Each school’s pay policy should explain how these points are awarded.
On the main pay scale your salary will most likely start on M1 (£22,467 – £28,098) and can increase to M6 (£33,160 – £38,241)*
I don't know where you got your figure from Gilly unless you're looking at the Leadership Scales which don't apply to your 'average' teacher. Nor those who have to apply to go 'through the threshold'
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These are the 2017 pay scales copied from the NUT site.