Descriptive study of early head start programs designed to inform policy and practice at both national and local levels. 6-year longitudinal study in 89 early head start programs around the country. Baby FACES followed 2 cohorts of children through their time in early head start, starting in 2009, the first wave of data collection through age 3, with the final round of data in spring 2012. The newborn cohort includes pregnant mothers and newborn children (194 are in this group). The 1-year-old cohort includes children who were approximately age 1 (782 were aged 10 to 15 months).