The first.........
BA did their own training at Hamble. They closed circa 1975.
Since then it has been outsourced to approved training organisations.
OXFORD, CTC & FTE.
The integrated training is standard issue. However the MCCJOC is tailored made with 11 exercises. Same number as other airline course students.
You are correct, they are carefully chosen. Not all succeed.
And yes, frequent course reports are prepared during the course.