Hello Ploy,
We need the help from NIS.
Yesterday I visited Immigration Office and stayed there more than 3 hours.
They said that it seemed like it would be hard to get ED visa this month because there are many schedule this week. Even they hesitatedly said that it could be better to get the visa renew from outside the Thailand. But, I could not event meet the person in charge.
Please give me proper advice and help from the school.