Mr Madsen said the teachers' time for preparing lessons would be reduced under the reforms.

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The workload figure excludes time spent preparing lessons, attending meetings and marking pupils' work.

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The original McCrone deal agreed between councils and teaching unions, guaranteed teachers more than 12 hours a week to spend marking and preparing lessons in school.

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Cosla, the umbrella body for local authorities, said teachers in Scotland have one third of their week - three times as long as their counterparts in England and Wales - for preparing lessons, correction and marking.

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For Jade, 18, preparing for her A2s (the final part of A-levels), one-on-one revision lessons run by the school are proving useful.

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