Starts with the FSO test, then essay questions, then an all-day oral assessment. Prepare ahead of time, and recommend that you practice the oral assessment with others. It's a long process, so prepare accordingly.
Multi part oral exam with various group and individual tasks. There is also a structured interview. You find out if you passed that day. After this you go through the admin of getting into the register.
I applied online. The process took 6 months. I interviewed at U.S. Department of State (Washington, DC) in Jan 2018
Interview
I took the Foreign Service Officer Test at a test center. I scored high enough to advance to the next phase. I then answered the written Qualifications Evaluation Panel (QEP) questions. However, I was not invited to the Oral Assessment (OA).
Interview questions [1]
Question 1
State recommends answering the QEP keeping the following in mind:
positive examples that demonstrate your abilities
Identify learning experiences
Indicate how your learning experience will contribute to success in your chosen track
