Students opposing changes in key high school tests demonstrate Tuesday Dec.11, 2018 in Paris. Macron has acknowledged he's partially responsible for the anger that has fueled weeks of protests in France, an unusual admission for the leader elected last year. (AP Photo/Christophe Ena)

Students opposing changes in key high school tests demonstrate Tuesday Dec.11, 2018 in Paris. Macron has acknowledged he's partially responsible for the anger that has fueled weeks of protests in France, an unusual admission for the leader elected last year. Banner reads: We are education. (AP Photo/Christophe Ena)

Students opposing changes in key high school tests, one carrying a poster reading 'Be young and silent" demonstrate Tuesday Dec.11, 2018 in Paris. Macron has acknowledged he's partially responsible for the anger that has fueled weeks of protests in France, an unusual admission for the leader elected last year. (AP Photo/Christophe Ena)

Students opposing changes in key high school tests demonstrate with a banner reading "We are education" Tuesday Dec.11, 2018 in Paris. French President Emmanuel Macron has acknowledged he's partially responsible for the anger that has fueled weeks of protests in France, an unusual admission for the leader elected last year. (AP Photo/Christophe Ena)

Students opposing changes in key high school tests demonstrate Tuesday Dec.11, 2018 in Paris. French President Emmanuel Macron has acknowledged he's partially responsible for the anger that has fueled weeks of protests in France, an unusual admission for the leader elected last year. (AP Photo/Christophe Ena)

Students opposing changes in key high school tests demonstrate Tuesday Dec.11, 2018 in Paris. French President Emmanuel Macron has acknowledged Monday he's partially responsible for the anger that has fueled weeks of protests in France, an unusual admission for the leader elected last year. (AP Photo/Christophe Ena)

This general view taken from Place Saint-Michel in Paris, France, shows high school students during a demonstration on December 11, 2018, to protest against the different education reforms including the overhauls and stricter university entrance requirements. (Photo by STEPHANE DE SAKUTIN / AFP)

This general view taken from Place Saint-Michel in Paris, France, shows high school students during a demonstration on December 11, 2018, to protest against the different education reforms including the overhauls and stricter university entrance requirements. (Photo by STEPHANE DE SAKUTIN / AFP)

French high school students take part in a demonstration march at Place Saint-Michel, Paris, France, on December 11, 2018, to protest against the different education reforms including the overhauls and stricter university entrance requirements. (Photo by STEPHANE DE SAKUTIN / AFP)

French high school students take part in a demonstration march at Place Saint-Michel, Paris, France, on December 11, 2018, to protest against the different education reforms including the overhauls and stricter university entrance requirements. (Photo by STEPHANE DE SAKUTIN / AFP)

French high school students hold a banner saying "Police everywhere, justice nowhere" as they take part in a demonstration march at Place Saint-Michel, Paris, France, on December 11, 2018, to protest against the different education reforms including the overhauls and stricter university entrance requirements. (Photo by STEPHANE DE SAKUTIN / AFP)

French high school students hold a banner saying "Needs, desires, but no means : this is violence" as they take part in a demonstration march at Place Saint-Michel, Paris, France, on December 11, 2018, to protest against the different education reforms including the overhauls and stricter university entrance requirements. (Photo by STEPHANE DE SAKUTIN / AFP)

High school students hold banners making fun of words said by French President and Prime-Minister as they take part in a demonstration march at Place Saint-Michel, Paris, France, on December 11, 2018, to protest against the different education reforms including the overhauls and stricter university entrance requirements. (Photo by STEPHANE DE SAKUTIN / AFP)

High school students hold banners making fun of words said by French President and Prime-Minister as they take part in a demonstration march at Place Saint-Michel, Paris, France, on December 11, 2018, to protest against the different education reforms including the overhauls and stricter university entrance requirements. (Photo by STEPHANE DE SAKUTIN / AFP)

High school student holds a banner addressed to French President reading "Dear Manu, stop playing with my future" during a demonstration march at Place Saint-Michel, Paris, France, on December 11, 2018, to protest against the different education reforms including the overhauls and stricter university entrance requirements. (Photo by STEPHANE DE SAKUTIN / AFP)

High school student holds a banner reading "Stop parcoursup, equality for all students" during a demonstration march at Place Saint-Michel, Paris, France, on December 11, 2018, to protest against the different education reforms including the overhauls and stricter university entrance requirements. - Parcoursup is an online system for high school graduates to guide them towards trainings which are available in the higher education system. (Photo by STEPHANE DE SAKUTIN / AFP)

High school students hold banners reading "I passed my high school diploma (Baccalaureat or Bac in French), I get to choose my university" and "Stop widening inequalities" during a demonstration march at Place Saint-Michel, Paris, France, on December 11, 2018, to protest against the different education reforms including the overhauls and stricter university entrance requirements. - Parcoursup is an online system for high school graduates to guide them towards trainings which are available in the higher education system. (Photo by STEPHANE DE SAKUTIN / AFP)

High school students hold banners as they take part in a demonstration march at Place Saint-Michel, Paris, France, on December 11, 2018, to protest against the different education reforms including the overhauls and stricter university entrance requirements. (Photo by STEPHANE DE SAKUTIN / AFP)

High school students block an entrance of Paris' Charlemagne high school on December 11, 2018, during a protest against the different education reforms including the overhauls and stricter university entrance requirements. (Photo by STEPHANE DE SAKUTIN / AFP)

This general view taken in Paris, France, shows high school students during a demonstration on December 11, 2018, to protest against the different education reforms including the overhauls and stricter university entrance requirements. (Photo by STEPHANE DE SAKUTIN / AFP)

Students hold banners reading "Tolbiac in action, Macron, same fight!" on December 11, 2018, as they take part in a demonstration in Paris, France, to protest against the different education reforms including the overhauls and stricter university entrance requirements. (Photo by STEPHANE DE SAKUTIN / AFP)

Students hold banners reading "Tolbiac in action, Macron, same fight!" on December 11, 2018, as they take part in a demonstration in Paris, France, to protest against the different education reforms including the overhauls and stricter university entrance requirements. (Photo by STEPHANE DE SAKUTIN / AFP)

High school students walk down a Parisian street near Place Saint-Michel, Paris, as they take part in a demonstration to protest against the different education reforms including the overhauls and stricter university entrance requirements. (Photo by STEPHANE DE SAKUTIN / AFP)

High school students hold banners on December 11, 2018, as they take part in a demonstration in Paris, France, to protest against the different education reforms including the overhauls and stricter university entrance requirements. (Photo by STEPHANE DE SAKUTIN / AFP)

Students hold banner reading "Tolbiac in action, Macron, same fight!" on December 11, 2018, as they take part in a demonstration in Paris, France, to protest against the different education reforms including the overhauls and stricter university entrance requirements. (Photo by STEPHANE DE SAKUTIN / AFP)

High school students hold banners on December 11, 2018, as they take part in a demonstration in Paris, France, to protest against the different education reforms including the overhauls and stricter university entrance requirements. (Photo by STEPHANE DE SAKUTIN / AFP)

Student wearing a "yellow vest" (gilet jaune) stand next to French riot police officers on December 11, 2018, during a demonstration in Paris, France, to protest against the different education reforms including the overhauls and stricter university entrance requirements. (Photo by STEPHANE DE SAKUTIN / AFP)

High school students demonstrate on their knees on December 11, 2018, in Paris, France, to protest against the different education reforms including the overhauls and stricter university entrance requirements. (Photo by STEPHANE DE SAKUTIN / AFP)

High school students demonstrate on their knees on December 11, 2018 in Paris, France, to protest against the different education reforms including the overhauls and stricter university entrance requirements. (Photo by STEPHANE DE SAKUTIN / AFP)