Within our Infant and Toddler classrooms, one way we measure our progress is by utilizing LENA Grow. LENA technology is the industry standard for measuring talk with children birth to three, a critical factor in early brain development. Used all over the world, LENA will support your initiative to improve early language, to close gaps in cognitive, emotional, and social development, and to improve school readiness. We measure growth with three simple steps: 1) Recording: A fu