To understand the degree to which the Covid-19 pandemic affected young children’s learning and preschool experiences, the National Institute for Early Education Research (NIEER) conducted two nationally representative surveys of parents of children ages 3 to 5 years old (not yet in kindergarten). The first survey was conducted in the spring of 2020, followed by a second survey in December 2020. Both surveys include some questions from previous national surveys such as the National Household Education Survey to enable comparisons between current circumstances and those prior to the pandemic. (author abstract)