Regarding Re-entry stamp, I still have 2 months left on my ed visa, if i want to visit another country, do i just get a re-entry stamp at the airport immigration?
No need to go to immigration office prior going to airport.
Thank you
TLDR : Answer Summary
You can obtain a re-entry stamp at the airport before traveling to another country if you have an ED visa. It is not necessary to visit an immigration office beforehand. However, there may be an additional handling fee if you do not have the TM8 form filled out and a photo ready.