States can and should continue to measure student growth in 2021. Growth data will be crucial to understanding how school closures due to COVID-19 have affected student progress and what supports they will need to get back on track. Education leaders will also need growth data to ensure that any recovery efforts are equitable as well as effective and to demonstrate their commitment to transparency. In this resource, the authors will outline considerations for measuring growth when missing annual assessment data for the prior year, discuss uses of this data, and recommend actions states can take "right now" to measure growth in 2021.