400000 may go as trcn begins nationwide screening of unqualified teachers today

It seems like you're sharing some news about the Teacher Registration Council of Nigeria (TRCN) starting a nationwide screening of unqualified teachers. According to the report, approximately 400,000 teachers may be affected by this exercise.

Can you tell me more about this development? What are the implications of this screening for the teachers, the education sector, and the country as a whole?