What causes a day to be highlighted under student progress? June 05, 2020 15:12 Updated Any day in which a student signed into their account will be highlighted in blue on the student's Progress screen. Related articles What does "Puzzles Collected" mean? How many puzzles can I expect my students to complete each week? How do I see what a student has completed at home? How can I see what a particular student is working on? How can I see if any of my students are struggling or stuck?