France faces its most significant day of industrial action in months as four major rail unions, teachers from both state and private schools, hospital workers, air traffic controllers, dockers, and postal workers walk out simultaneously. The immediate trigger is the government's proposed belt-tightening budget, but the strike draws energy from at least three separate crises that have been compounding for weeks. The cost-of-living squeeze is the broadest grievance. Trade unions from across the political spectrum — from the leftwing CGT to the moderate CFDT — have joined a unified call for strikes, an alignment that signals the depth of public frustration. Rail unions specifically warned that proposed cuts would "worsen poverty, slash social security, freeze state workers' salaries and dry up investment needed for environmental measures." The national rail operator SNCF confirmed disruptions to regional lines and parts of the greater Paris network, while dockers announced port slowdowns. High school students have been blockading schools for weeks over overcrowded classrooms and physically deteriorating buildings. The government's response — capping some class sizes and offering loans to regional authorities for repairs — was dismissed as inadequate. University students joined the blockades. The education ministry projected almost 18% of nursery and primary school teachers would strike, with secondary teachers expected to follow. The policing response has opened a third front. The French Human Rights League accused the government of an "authoritarian shift" aimed at stifling "any dissenting voice," citing heavy police deployments, restrictions on city-centre demonstrations in Rennes, Toulouse, and Lyon, and curfews in certain areas. CGT head Sophie Binet called it a "very dangerous authoritarian drift." CFDT leader Marylise Léon offered a more measured but equally pointed critique: "The principle of a demonstration is its visibility." Macron's final months in office are unfolding against a structural backdrop that no single strike can resolve. Public debt is approaching 120% of economic output. Parliament is too divided to pass the austerity budget that creditors expect. The proposed cuts attack precisely the public services — schools, hospitals, rail, social security — that protesters are defending. The arithmetic is brutal: without cuts, debt spirals; with cuts, the streets fill. The political beneficiary of this paralysis is visible in polling data. Marine Le Pen's far-right, anti-immigration candidacy is polling high for the 2027 presidential election. Every week of visible state dysfunction, every image of police pushing protesters out of city centres, every shuttered school feeds the narrative that the centrist governing model has failed. The protests are not creating Le Pen's opportunity — the structural failures are. What makes this moment distinctive is the breadth of the coalition marching. Students, private-school teachers, leftwing unions, moderate unions, dockers, hospital workers, and civil liberties groups rarely share a sidewalk. They share it now because the proposed budget cuts hit everyone simultaneously. The question is whether this breadth translates into political leverage against a government that has few fiscal options left, or whether it simply accelerates the trajectory toward a far-right presidency in 2027.