In 2009, she received a master's degree in education policy and management at the Harvard Graduate School of Education. While in Boston, Lindsay became involved in local education reform, including a fellowship with Education Pioneers.
Following graduation, Lindsay served as director of school support with The Achievement Network, helping 17 schools in Boston, Washington D.C., and across the Midwest to improve student achievement by using data to drive instruction and by connecting with other schools in meaningful ways. In 2010, Lindsay came back to Phoenix to take on the roles of clinical instructor and professional development facilitator at the Sanford Education Project at Arizona State University. In February 2012, she returned to Teach For America as the executive director of the Phoenix region.