When the orange exclamation icon is displayed next to a college, it means that either there are no application deadlines set for the college or there are unverified application deadlines listed for this college. Deadlines that are added to the system through a deadline import are kept in the "unverified" status so you'll know they may or may not be correct. The import may contain errors or the college may have updated their deadline(s) after the import data was made available.
To mark a deadline as verified, navigate to the college's profile and click the check mark icon next to the deadline item. Of course we also recommend visiting the college's website to in fact confirm the date. Once there are no unverified deadlines for a college, you'll no longer see the orange exclamation mark. When a deadline is added by you, it is saved as a "verified" deadline because you entered it.
Students will see verified and unverified application deadlines but they will not see any exclamation marks. The exclamation mark is only used to prevent your students from possibly seeing incorrect information and to alert you that the deadlines are not verified. To see a list of colleges that you have verified, you may create a "Verified Deadlines Report". For more information on creating this report, see "How do I create a report to list verified college deadlines?"