In a speech, Sir Michael warns that there is an "invisible minority" of disadvantaged children living in "leafy suburbs, market towns or seaside resorts" who are being let down by their schools.
These youngsters are under-performing and coasting through school until they leave at the earliest opportunity.
The quality of education is the most important issue facing Britain today. In the long term, our success as a nation - our prosperity, our security, our society - depends on how well we raise and educate our young people across the social spectrum.
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The actress and The Only Way Is Essex star Mark Wright will become husband and wife over the Bank Holiday weekend.
The annual event has earned a place in the record books ahead of the grand final of the 60th anniversary show in Austria this evening.
Local authorities said the move is necessary to "avert the growing number of deaths and increasing harm linked to psychoactive substances".