How to Learn to Speak Fluent English

Deepak became fluent in English using Apertureless English. But now the school is forcing him to use methods that don't work. Abra send me a link for this teacher you're recommending that I interview and I'll try to contact him. Deepak says, everyone's English taught me to speak fluent English. He got a job as an English teacher. The problem is now I have to study the crap grammatical terms to teach students which are not useful for them. Isn't that crazy?