Requirements to teach English in different schools

Along with the country requirements, there are also conventions for each type of teaching job and specific requirements within each (these are followed as strictly as possible but are not hard and fast rules - if you qualify to teach in that country you could conceivably be accepted for ANY teaching position available - it's one of those right place, right time situations.

Requirements to Teach English Overseas in Private Language Schools

Requirements to Teach English in a Public School

Requirements to Teach English in an International School

Requirements to Teach English in a University or College