How to recover lost grades and students

https://support.schoology.com/hc/en-us/articles/115005245007-Moving-Student-Grades-from-One-Section-to-Another-Enterprise-

Moving Student Grades from One Section to Another (Enterprise) – Schoology Support

Overview. Changes to student enrollments are common both at the beginning of a course’s grading period and throughout the course life cycle. When students move from one section to another, instructors and system administrators may need to recover their grades from the previous section and move them to the new one.

support.schoology.com