The problem with this is that, while it provides a strong incentive for experienced teachers to stay in teaching longer than they might otherwise, it makes teaching unattractive to young people who are more concerned about supporting new families than about their retirement.

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Sometimes you invest a bunch of time in them teaching them how to do things that more experienced journalists already know and they give you nothing in return except a headache.

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Score says the changes could result in "severe funding cuts" and that some smaller schools might decide not to offer science A-levels while others might have to cut teaching time, reduce practical work or employ less experienced staff.

BBC: Funding change 'risks cuts' to A-level sciences