Corinne Ehrel slumped to the ground during her speech at an event in Plouisy in western France on Friday.
Front National leader was in Brittany when protesters struck her with eggs.
Le Pen's father will lay a wreath on the statue of Joan of Arc, claimed by Front National as its heroine.
Paramedics had written a death certificate for the 49-year-old woman.
Far-right Robert Menard said the number of Muslim pupils is 'obviously a problem'.
Trogneux was a drama teacher, Macron her young pupil. Then they fell in love.
Trogneux was Macron's much older drama teacher at his school, where they met.
Emmanuel Macron and Marine Le Pen represent France's political divide over globalisation.
The protests were a response to centrist Emmanuel Macron of Le Marche taking the lead, with Marine Le Pen, leader of the far right Front National coming second.
Voters will choose their next president just days after a terrorist attack.
The presidential race kicks off in France a day after early voting was held in overseas French territories.
Isis has claimed the Paris terror attack and said it was carried out by "Abu Yusuf al-Baljiki".
France was alerted about a potential accomplice.
Marine Le Pen and Francois Fillon used filters during Q&As.
What can the data tell us about the upcoming French election?
The student threatened his teacher and classmates with a knife and an axe in a classroom.
Police raided a flat in Marseille on Tuesday (18 April), five days before presidential election voting begins.
Trouble both inside and outside ground causes quarter-final to start 45 minutes late.
Jamie Murray and Dominic Inglot lose in four sets to Nicolas Mahut and Julien Benneteau in Rouen.
Lucas Pouille and Jeremy Chardy hand hosts comfortable lead in Rouen.
Fillon has accused President Francois Hollande of being behind the fake job scandal involving wife Penelope.
Diaby, who is just 17, made the 4,000 km journey to France from Guinea dodging war and bandits.