The Legacy of Colonial Language Policies and Their Impact on Student Learning: Evidence from an Experimental Program in Cameroon
Journal Article
Economic Development and Cultural Change

The relative educational returns on colonial versus indigenous language instruction in sub-Saharan countries have yet to be decisively estimated. To address this unanswered question, this paper provides an impact assessment of an experiment in Cameroon in which the first 3 years of schooling were conducted in a local language instead of in English. Test results in examinations in both English and math reveal that treated students exhibit gains of 1.1–1.4 of a standard deviation in grades 1 and 3 compared with the control students. It also increases the probability of being present in grades 3 and 5 by 22 and 14 percentage points, respectively. However, by the end of fifth grade, 2 years after reverting to the English stream, treated students still exhibit gains of 0.40–0.60 of a standard deviation, although the absolute scores for both groups are low enough to suggest limited learning is taking place.

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