How can we move a classmate to In Memory Section?

Go to EDIT SITE PAGES
EDIT PAGE for the In Memory page
Scroll down to the list of classmates
Choose the classmate you want to move to In Memory
Click the Add Classmate to Deceased List button (it might be called something different)
Now scroll down to that classmate's name and click the EDIT button next to their name
Add obituary information and year of death and photos, etc.
Save the changes.