Educational institutions can be affiliated with the organization or not. When looking at the constituent record > Education tab, the information of the educational institution can be displayed by clicking the down chevron. The Additional information field is blank for non-affiliated institutions only.
We're currently evaluating this issue for a fix in a future patch or service pack.
Steps to Duplicate
Go to any constituent record
Select the Education tab
Select Add next to Education
Click the drop down for Educational institution
This shows only affiliated institutions
Click the magnifying glass instead
Click Search without adding any parameters
Choose any institution other than the affiliated ones
Inter a Stats
Enter Additional information
Observe that when the educational institution is expanded, the details pane Additional information