Class of 80high school
Class of 85 college
Class of 80high school
Class of 85 college
I graduated in 1970 ! Ancient times ! 46 years?
If you haven't lied about your educational background what is the problem?
Confess to the person who hired you. Asked for forgiveness and accept their decision.
Prepare a new truthful resume and be prepared to move on.
Lesson learned.