Do this in regular school environment NOT summer school environment.
Select: Registration > Entry & Reports > Student Demographics > Personal >201-District-Defined Tags
Change start date to the date you are changing the pro/ret value. If student is getting promoted use the drop down arrow and pick "PROMOTED AFTER SUMMER SCHOOL" if student will remain retained change and value to "RETAINED". Do NOT enter an end date this date shall remain blank.
Note: If student is a no show for Summer School leave Pro/Ret entry and vale "RETAINED PENDING SUMMER SCHOOL" as is do not change.
If student is "PROMOTED AFTER SUMMER SCHOOL" Select: Registration > Entry & Reports > Student Demographic > Registration go to "Next Year" tab and change Grade.