IN countries where more than one language is spoken, education systems are challenged with choosing which language to use in schools. Learning in a new language is an especially difficult task for a child. Instead, learning in a language a child already speaks may better support schooling and literacy outcomes. A common approach in multilingual communities is bilingual education, where instruction occurs in both a mother tongue and an official language. There is abundant evidence that early experience with two languages, be it at home with bilingual family members or at school in a bilingual education programme, may benefit children’s…