How long do I need to wait to return to Thailand after being denied entry on a Non-B visa?

A holder of a Non-B visa, specifically under education (ED), was denied entry into Thailand and seeks advice on the appropriate waiting period before attempting to return. The discussion indicates that there is no specific minimum waiting time to re-enter. However, the real concern should be the reasons behind the initial denial. Additionally, clarification is provided regarding the categorization of visas, highlighting that an individual is either on a work visa (Non-B) or a study visa (ED). It’s advised to check for any corresponding stamps in the passport and reflect on the immigration status during the denial event.