Thai Language school with flexible/evening hours for ED visa ?

[FewHoursAway]

I'm looking for a good Thai language course, preferably in Bangkok, that would allow me to get an ED visa, and offer flexible hours including evenings or weekends.

 

I'm usually busy. Occasionally, the hours during which I'm busy shift to a different time zone. So ideally I'd be able to sometimes attend day time classes, and sometimes attend night time classes. I'd probably be able to commit to an evening course schedule if necessary. A plus would be if some of the classroom time were on Saturday or Sunday.

 

I'm serious about learning Thai, but I don't want to spend more than around 15 hours per week doing it, and I can't commit to a day time course schedule. Are there any schools that would suit me in Bangkok? How about somewhere else in Thailand? Thanks for reading.