This sign-on letter, sent on March 4, 2016 to Department of Education Acting Secretary John King, urges the Department to use its full authority to ensure that state and local implementation of the Every Student Succeeds Act (ESSA) best serves girls and boys of color, English Learners, students with disabilities, Native American students, low-income students, and those who are migrant, homeless, in foster care or returning from or placed in juvenile detention, or LGBTQ.