In short, the result could be fewer, more significant exams, taken at the stage in a school career that suits the pupil, rather than administrators.

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In Ms Stowe's experience, there are seasonal variations in divorce - but the blips tend to come in the spring and early summer - when school exams are over and term is coming to an end.

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However a teacher friend told us it was nonsense as in her view it was far more beneficial for the child to have a holiday than be in school providing it was not before the end of term exams.

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Did you take the SAT or ACT exams in high school?

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The subject has won the support of singer Jarvis Cocker, who said it encouraged children to use the knowledge they picked up at school rather than just "passively accumulating it in the hope of passing some exams".

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Students in the upper years preparing for exams will be able to attend every day, the school said.

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So the proportion of fifth year (S5) pupils in each school achieving Higher awards is given, not as a percentage of those who took the exams, but as a percentage of those who originally began the fourth year.

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The pair, students at Eirias High School in Colwyn Bay, say they were surprised to do so well because each found the exams harder than expected.

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Martin Ward, deputy general secretary of the Association of School and College Leaders, said school and college leaders knew that exams in all subjects were not equal.

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Professor Wolf's review also called for the end of "perverse incentives" in school league tables - with some pupils being steered towards vocational exams which would improve school rankings.

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