Trustworthy company for muay thai education visa?

Anyone attend / use master toddy muai thai?

I’m a US citizen getting ready to apply for a Thai ED visa in the US tomorrow am, and I wanted to know details about what my itinerary / flight bookings should look like. I’ve already booked my flight to Thailand and I have that paperwork squared away, but I’m having trouble figuring out what date I need to book a flight out. Should it be 90 days or for the full length of the visa that’s been requested from the educational institution? (9 months)

Also, when I fill out the application should it be for the 90 day or 9 months time period? I can’t seem to find this info.

My family and I are on Ed visas (1 year) and we got just got our first check/renewal after 3 months - costing us 5k baht each (X 5). Why are the new stamps only for 60 days? Our school arranged everything and I was expecting 90 days. I will call our school on Monday but wondering if anyone else might know? TIA