Since 1 January 2021, a British school-leaver heading for a licence in Lyon, a semester in Paris or a master’s in Bordeaux travels as a third-country national. The student visa queue, the enrolment file and the housing hunt all feel familiar. The nasty surprise comes later, usually in a hospital corridor or at a pharmacy counter: who pays for your care while you study in France, and what do you do when the French health insurance fund says no? British guidance for healthcare in France is blunt about the starting point: health cover is a condition of living in France. French guidance then splits British students into three tracks, and the track you fall into decides everything that follows: the card you carry, the website where you register, the documents you upload, and the court that hears you if the fund refuses to affiliate you. This article maps the three tracks, explains the registration machinery run by the Caisse Primaire d’Assurance Maladie (the CPAM, the local branch of the French national health insurance fund), and sets out the exact challenge route, with its two-month deadlines, when a refusal lands. Part I explains how a British student obtains cover, first with a British-issued card and then through direct registration. Part II deals with money and disputes: upfront bills, refused cards, and the appeal ladder from the fund’s internal commission to the social chamber of the court.

I. How a British student gets French health cover after Brexit

The French system starts from a simple principle that surprises many British families. State healthcare in France is not free at the point of use in the British sense. The British official guidance for France explains that state care is not free: costs are shared between the state and the patient through co-payments. You will often pay the doctor or the hospital first, and the CPAM repays you its share afterwards. The share left on your shoulders is called the ticket modérateur, literally the balancing payment, and many residents cover it with a top-up policy called a mutuelle or complémentaire santé. None of that machinery moves, however, until you hold a recognised status in the French system. For a British student, that status comes through one of two doors: a British-issued health card, or direct registration with the French student scheme.

A. Arriving with a Student GHIC or EHIC: what it pays for and how long it lasts

The Global Health Insurance Card (the GHIC, the British card that replaced the British European Health Insurance Card for most purposes) and the European Health Insurance Card (the CEAM in French, carte européenne d’assurance maladie) are the lightest route. The French liaison body for international social security, the Centre des liaisons européennes et internationales de sécurité sociale (the Cleiss, the official Franco-foreign coordination centre), describes the position of British students in these terms: with a GHIC, a CEAM or a provisional replacement certificate, holders of such a card receive reimbursement for medically necessary care on the same terms as a French insured person, provided the card remains valid at least until the end of the current academic year (see the Cleiss guidance for students arriving from the United Kingdom). The British side mirrors this. The official British guidance for healthcare in France advises students to apply for a Student GHIC covering medically necessary state care for the whole study period, whether part or all of the course, and notes that an existing valid Student EHIC remains usable until it expires.

Three practical consequences follow. First, the GHIC route covers only medically necessary care provided by the state system, on French terms, which means the co-payment logic still applies: patients often pay upfront and the Caisse Primaire d’Assurance Maladie (CPAM) reimburses its share afterwards, as the same guidance explains. Second, the card must cover the whole academic year, so check the expiry date before you fly; a card that dies in February leaves the spring term uncovered. Third, the GHIC does not register you with any CPAM and does not give you a carte Vitale, the green smartcard that proves insured status in France and triggers automatic reimbursement within days. You remain a British-insured visitor for healthcare purposes throughout your studies, which is simple and cheap but leaves you outside the French system if your situation changes, for example if you take a part-time job (on which more below) or if you stay on after graduation. Keep the card, its expiry date and any provisional replacement certificate with your passport and your enrolment papers at all times.

B. Registering with the CPAM as a foreign student: the ameli portal, the documents, and the residence test

Students who hold neither a GHIC nor an S1 form, the portable document by which one European state asks another to cover a person, must join the French system directly. The Cleiss states the rule without ambiguity: registration runs through the etudiant-etranger.ameli.fr site for the duration of the studies. The portal etudiant-etranger.ameli.fr is the single national gateway; the public service directory page for foreign-student registration presents the procedure as aimed at every foreign student who needs to join French health insurance, notes that the service is free, and walks the student through enrolment details, supporting documents and a personal online account. Students who do hold an S1 use the same portal but attach the form: registration for the duration of the studies runs through the etudiant-etranger.ameli.fr site, with the S1, the current academic year’s enrolment certificate, proof of civil status and bank details to supply.

The documentary list for a student with no European document is heavier, and each item maps to a legal condition. You must supply an enrolment certificate for the current academic year, proof of sufficient resources, proof of identity, proof of civil status and French bank details. The resources condition is not portal bureaucracy; it echoes the residence permit itself. Since Brexit, British nationals have needed a long-stay student visa to come and study in France from 1 January 2021, as the Cleiss page for the United Kingdom confirms, and the statute behind the student card provides that “L’étranger qui établit qu’il suit un enseignement en France ou qu’il y fait des études et qui justifie disposer de moyens d’existence suffisants se voit délivrer une carte de séjour temporaire portant la mention ” étudiant ” d’une durée inférieure ou égale à un an.” That is article L. 422-1 of the Code de l’entrée et du séjour des étrangers et du droit d’asile (the CESEDA, the French immigration code): study plus sufficient means buys a temporary card marked student, valid up to one year. The Cleiss adds the same warning in substance: resources must cover the student’s needs and those of any accompanying family members. A student whose bank statements show thin or irregular resources risks trouble on two fronts at once, the residence card and the health registration, because both ask the same question.

The health-registration question itself is governed by the universal coverage principle of article L. 160-1 of the Code de la sécurité sociale (the Social Security Code): “Toute personne travaillant ou, lorsqu’elle n’exerce pas d’activité professionnelle, résidant en France de manière stable et régulière bénéficie, en cas de maladie ou de maternité, de la prise en charge de ses frais de santé dans les conditions fixées au présent livre. L’exercice d’une activité professionnelle et les conditions de résidence en France sont appréciées selon les règles prévues, respectivement, aux articles L. 111-2-2 et L. 111-2-3”. Two adjectives carry the whole weight for a non-working student: residence must be stable and lawful. Stability is defined by article R. 111-2 of the same code: “sont considérées comme résidant en France de manière stable les personnes qui ont leur foyer ou le lieu de leur séjour principal sur le territoire métropolitain”, with the home understood as the place of habitual residence of a permanent character, and, for health benefits, personal and effective presence for more than six months of the calendar year. The same article closes with a sentence students should memorise: “La résidence en France peut être prouvée par tout moyen.” Lawfulness, meanwhile, is proved by the passport stamp, the long-stay visa and then the student residence card itself.

A recent judgment from the social chamber of the Lille court shows how strictly funds apply that two-part test, and it is worth reading even though the claimant was not a student. On 5 January 2025 a Romanian national applied for universal health protection (the PUMA, protection universelle maladie, the residence-based gateway into French cover). The Lille CPAM refused on 24 April 2025 because she did not meet the lawful-residence conditions for an inactive European citizen. The court’s findings, in judgment RG 25/01909 of 17 March 2026, recite that her own claim form showed she was an unindemnified jobseeker present since 26 September 2024, and conclude: “Dès lors, et comme le relève justement la Caisse, il ressort des dispositions susvisées que la situation de Mme [B] n’ouvrait pas droit au bénéfice de la protection universelle maladie (PUMA) à la date du 5 janvier 2025.” The operative part follows: “DECLARE le recours présenté par Mme [J] [L] [W] épouse [B] recevable mais mal fondé, CONFIRME la décision de la Caisse Primaire d’Assurance Maladie de [Localité 5] du 24 avril 2025 de refus d’affiliation à la protection universelle maladie (PUMA) à la date du 5 janvier 2025, DEBOUTE Mme [J] [L] [W] épouse [B] de son recours”. The lesson for a British student is direct: the fund judges your file as it stands on the day you apply, so apply with a complete file, a current visa or card, an enrolment certificate for the running year and resource proofs that match the means you declared for immigration. A student is not a jobseeker and the student portal is a friendlier door than the PUMA counter, but the underlying reflex of the fund is the same.

Once registered, the CPAM of your place of residence becomes your fund, in the words of the national health insurance student page: reimbursement of health costs in case of illness or maternity comes from the insurance fund of the place of residence. You then receive a social security number and, in time, a carte Vitale; keep it updated at least once a year and after every change of circumstances at the insurance fund’s reception points, in pharmacies or in some hospitals, present it to every professional you consult, and the reimbursement lands on the bank account you declared. Two money warnings belong here. First, the top-up: French cover leaves the co-payment on you, so most students add a student mutuelle; price it before October, when insurers court the new intake. Second, the potential annual bill for residents with little French professional income and significant capital income. Article L. 380-2 of the Social Security Code provides that “Les personnes mentionnées à l’article L. 160-1 sont redevables d’une cotisation annuelle” when their French professional income sits below a decreed threshold and they draw no pension or unemployment benefit, with the contribution assessed on property income, investment income, capital gains and non-professional profits. Whether a given student falls inside that charge depends on individual circumstances that this article cannot settle in the abstract, but the scale of such disputes is real: in Paris Court of Appeal judgment RG 22/01239 of 27 June 2025, the collection body had sent “le 15 décembre 2017 un appel à cotisations d’un montant de 8 170 euros, exigible au 19 janvier 2018, au titre de la cotisation subsidiaire maladie ([13]) de l’année 2016.” A British student living on investment income rather than wages should therefore check the contribution position for the household rather than assume that registration ends the money questions.

One last situation straddles the two doors: the student who works. The student residence card is framed in these terms: “Cette carte donne droit à l’exercice, à titre accessoire, d’une activité professionnelle salariée dans la limite de 60 % de la durée de travail annuelle”, still under article L. 422-1 of the CESEDA, and work changes the applicable legislation. Article L. 111-2-2 of the Social Security Code affiliates, subject to treaties and European regulations, “toutes les personnes : 1° Qui exercent sur le territoire français : a) Une activité pour le compte d’un ou de plusieurs employeurs”, whatever their place of residence. A British student serving tables in the 11th arrondissement is therefore, in principle, affiliated through that French work, with contributions flowing accordingly. The coordination logic behind that sentence was confirmed at the highest level in Court of Cassation, second civil chamber, 25 September 2025, appeal 22-24.634: a person domiciled in France and working in Switzerland had claimed reimbursement of French health contributions paid since 2015, the lower courts had rejected the claim and refused a reference to Luxembourg, and the Court of Cassation held “DIT n’y avoir lieu à renvoi préjudiciel à la Cour de justice de l’Union européenne ; REJETTE le pourvoi”. The facts there were Swiss, not British, and the reasoning turns on European coordination instruments, but the structural message travels: one activity, one legislation, one contribution bill. Tell the CPAM when you start working, declare the job to the fund, and keep payslips alongside the student file.

II. Refused registration, unpaid bills: how to challenge a CPAM decision

Refusals rarely arrive as a single dramatic letter. More often the student discovers the gap at the worst moment: the hospital admissions desk does not recognise the GHIC, the portal shows the registration stuck at step two, or a letter headed décision de refus d’affiliation arrives months after the application. The response method depends on which door you entered through, but the discipline is the same in every case: keep every proof, read every deadline on the letter itself, and treat the fund’s internal appeal as compulsory rather than optional. General French healthcare disputes for British residents are mapped in depth in our guide to CPAM registration, the S1 and the carte Vitale, and the residence-permit side of a British arrival is covered in our newcomer visa and residence-permit guide; this second part concentrates on the student’s bills and the student’s remedies.

A. Hospital bills and upfront payments: what to do when your card is refused at the desk

Start with the mechanics of payment, because panic at the admissions desk produces the costliest mistakes. If you hold a valid Student GHIC or EHIC, you receive reimbursement of medically necessary state care on the same terms as a French insured person, as described in Part I above. Present the card before treatment whenever possible, ask the admissions office to record it as a European card rather than private insurance, and keep the itemised bill (facture détaillée), the care summary and every receipt. If the desk refuses the card, pay what is strictly necessary to be treated, obtain the paperwork, and claim afterwards rather than arguing the coordination rules at midnight in an emergency department. The same discipline applies to the registered student whose carte Vitale has not yet arrived: pay, keep the paper treatment form (feuille de soins), and send it to the CPAM of your residence, because without the smartcard there is no automatic transmission and no five-day reimbursement. In both cases, photograph every document the day it is issued; funds lose papers, students lose envelopes, and the appeal bodies below decide on files, not memories.

Three errors recur in student files and each is avoidable. The first is letting the European card lapse mid-year: the Cleiss requires validity at least until the end of the academic year in progress, so diary the expiry for September, not June. The second is assuming the GHIC covers everything a French student gets: it covers medically necessary state care, not repatriation, not private clinics billing above state tariffs (dépassements d’honoraires), and not the co-payment share, which is why even GHIC holders travelling with valuables or fragile health often add private cover for the gaps. The third is changing status without telling anyone: the student who finishes in June, stays for a summer job and then starts a doctorate in October may pass through three different cover bases in four months, GHIC, employment, student registration, and each transition needs its own paperwork. Where planned treatment in the United Kingdom is concerned, or where a hospital asserts that a bill is purely private, take advice on the specific documents before paying the balance: the classification of the care decides who owes what, and classifications can be challenged with the file complete.

B. Challenging a CPAM refusal: the internal commission first, the social court second, and the deadlines that kill claims

A refusal of affiliation is an administrative decision with a fixed appeal ladder, and the rungs must be climbed in order. Article R. 142-1 of the Social Security Code sends complaints against fund decisions to an internal review commission, the commission de recours amiable (the CRA, the fund’s friendly-appeal commission): “Les réclamations relevant de l’article L. 142-4 formées contre les décisions prises par les organismes de sécurité sociale et de mutualité sociale agricole de salariés ou de non-salariés sont soumises à une commission de recours amiable composée et constituée au sein du conseil, du conseil d’administration ou de l’instance régionale de chaque organisme. Cette commission doit être saisie dans le délai de deux mois à compter de la notification de la décision contre laquelle les intéressés entendent former une réclamation.” Two months from notification, not from the application’s anniversary and not from the start of term. The social chamber of the judicial court, the pôle social du tribunal judiciaire, which has replaced the old social security tribunals, comes only afterwards, and it too must be seised within two months of the commission’s explicit or implied rejection. Miss the first window and the second never opens.

The courts police those windows strictly but fairly. In Bourg-en-Bresse judicial court judgment RG 23/00651 of 14 April 2025, the court restates the whole ladder before anything else: “Par application des dispositions des articles L. 142-1, L.142-4 et R.142-1 et suivants du code de la sécurité sociale, le différend doit être soumis à une commission de recours amiable et le tribunal doit être saisi dans un délai de deux mois à compter de la date de notification de la décision explicite de rejet ou de la date de la décision implicite de rejet de la commission de recours amiable.” It then adds the student’s best procedural shield: “La forclusion tirée de l’expiration de ces délais de recours ne peut être opposée au requérant que si celui-ci a été informé des délais de recours et de ses modalités d’exercice.” Read the refusal letter twice: if it omits the time limits and the method of appeal, the fund cannot hold the deadline against you, and that point alone has saved many files. The same judgment shows the tragic counterpart, a claimant residing in France who had started self-employed work in Switzerland in July 2021 and asked the Ain fund for French affiliation, refused because the cross-border option had not been exercised within three months of the triggering event. The court is unsparing: “Cette demande doit être déposée dans les trois mois qui suivent la survenance de l’obligation de s’assurer en Suisse”, and, crucially, “La bonne foi de l’assuré est sans incidence sur le délai imposé par les textes.” The claimant, who explained she had received the option form only after the deadline and held no health cover, was dismissed and ordered to pay the costs: “DEBOUTE Madame [G] [C] de ses demandes, CONDAMNE Madame [G] [C] aux dépens”. The Swiss facts do not transfer to a British student file, but the moral does: in French social security litigation, deadlines are substantive law, good faith does not extend them, and the file must prove the date of every step.

A twin judgment from the same court, Bourg-en-Bresse RG 24/00603 of 22 June 2026, confirms the pattern for an employee who began salaried work in Switzerland in November 2022 and applied to the Ain CPAM only in June 2024: late option, rejection upheld, same two-month reasoning on the way in. For Paris-based students the venues differ but the ladder is identical. The student in the capital registers through the national portal but is attached to the CPAM de Paris, challenges a refusal before that fund’s commission de recours amiable within two months of notification, and then seises the social chamber of the Paris judicial court within two months of the commission’s answer. Practically, a Paris file should contain, in one indexed bundle: passport and visa or student card, enrolment certificate for the running year, proof of resources, proof of Paris address (lease, residence certificate or CROUS attribution), RIB, GHIC or S1 where applicable, every letter from the fund with its envelope or electronic timestamp, and the CRA referral sent by registered letter with acknowledgment of receipt. File the CRA referral even while asking the fund’s front office for reconsideration; informal promises do not suspend the two-month clock.

Conclusion

A British student in France after Brexit chooses, or is assigned, one of two health identities: the British-insured holder of a Student GHIC or EHIC, reimbursed for medically necessary state care on French terms through an academic year the card must fully cover, or the French-registered student affiliated through the national portal on proof of enrolment, sufficient resources and a lawful, stable residence. Work on the side moves the student toward French affiliation through employment, capital income raises the separate question of the annual contribution, and every refusal obeys the same procedural ladder: the fund’s internal commission within two months, then the social chamber of the court within two months, with time limits that good faith cannot stretch. No emergency, no intrusion and no loss has been officially recorded against any named body in this article, no liability is established here, signed contracts and individual fund decisions prevail over any general analysis, and only the court decides the disputed file. Prepared in that spirit, with the card valid, the portal file complete and the deadlines calendared from the day each letter arrives, the British student’s French year can stay devoted to its proper subject: the studies themselves.