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Our community advisory board brings together a coalition of leaders and thinkers across the early childhood community to inform key strategic decisions at lena. Discover lena grow's impact on child development and teacher retention Backed by 20+ years of research, lena grow focuses on the key marker of quality in early childhood education

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Or, what lena calls “conversational turns.” Lena’s researchers describe a child as experiencing language isolation if they engage in fewer than five conversational turns per hour for all but the single hour during which the most conversational turns occurred. From head start classrooms to family child care homes and private child care centers, and from libraries to public health initiatives and research universities, lena’s programs are creating measurable differences in children’s lives around the world.

Explore 250+ studies from 40+ countries

At lena, we turn the science of measuring conversational turns into action Our programs help child care centers, school districts, and families worldwide boost early language development — creating measurable results that transform children’s futures.