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Leuven, Edwin
Rønning, Marte
Year of Publication: 
Series/Report no.: 
Discussion paper series // Forschungsinstitut zur Zukunft der Arbeit 5922
This paper exploits discontinuous grade mixing rules in Norwegian junior high schools to estimate how classroom grade composition affects pupil achievement. Pupils in mixed grade classrooms are found to outperform pupils in single grade classrooms on high stake central exit tests and teacher set and graded tests. This effect is driven by pupils benefiting from sharing the classroom with more mature peers from higher grades. The presence of lower grade peers is detrimental for achievement. Pupils can therefore benefit from de-tracking by grade, but the effects depend crucially on how the classroom is balanced in terms of lower and higher grades. These results reconcile the contradictory findings in the literature.
educational production
combination classes
class size
peer effects
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Working Paper

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