MARSS EOY 2019 Files Due to R1:Data files can be submitted any time beginning January 14, 2019, for assessment precode files. Statewide Testing sends precode files nightly to assessment vendors throughout the school year; these precode files are also used on specified dates communicated in the Assessment Update for specific tasks, test materials shipments etc. Thur, Mar 21 = Mandatory for Charter Schools, Optional for Districts >> Used to verify Average Daily Membership (ADM) Project...