To glimpse one possible future, look at Parkside Community College, a popular secondary school in central Cambridge that takes most of the 12-year-olds who leave Newnham Croft.

ECONOMIST: Using scarce head teachers more wisely

But these numbers exclude any bonds that central banks buy in secondary markets abroad, so they surely underestimate the total.

ECONOMIST: Forever free | The

But in France, secondary education, a responsibility of the central state, is meant also to have the job of forming French citizens.

ECONOMIST: Islam in France

Transportation officials reported particularly nasty conditions on many secondary and some primary routes in 15 central and northern counties, with deep snow or ice covering the pavement.

CNN: March 6, 2013 -- Updated 2004 GMT (0404 HKT)

The Catholics and Central African Presbyterian Church each control a good number of secondary schools, which are run jointly with government.

BBC: Malawi school plan sparks religious feud

Roubini believes these risks have been reduced, in large part, by the European Central Bank's commitment to purchase sovereign bonds in the secondary markets.

CNN: O'Neill: Euro may not exist by 2020

At the same time, the European Central Bank agreed to exchange Greek government bonds it bought on the secondary market for less than their face value, provided the debt-restructuring talks succeed, according to people briefed on the negotiations.

WSJ: Asian Markets Close Higher