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Differential Secondary School Effectiveness: comparing the performance
of different pupil groups
Sally Thomas, Pam Sammons, Peter Mortimore and Rebecca Smees, International
School Effectiveness and Improvement centre, University of London, Institute
of Education. British Educational Research Journal Vol 23 No 4
1997
They found that, "Schools and departments.are indeed differentially
effective for different groups of pupils, and this finding strongly suggests
the need for schools to examine in detail the value added performance
of different groups of pupils in their schools, especially by level of
prior attainment, gender, low income and ethnicity.
Another key finding was the, 'more effective schools.boost the GCSE
attainment of both advantaged and disadvantaged pupils even though the
gap between these groups appears to widen.'
They conclude that, 'there is only limited value in trying to make judgements
about schools' examination performance in any one year or using only one
performance measure.'
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