Entry checks for September 2026

These eleven entry summaries were checked on 24 September 2026. Follow the country guide for prices, applicant restrictions and the official source. An organiser’s closing date may be later than your school’s deadline.

Country and competitionCurrent actionEntry status
USA: AMC 10/12Find a host; early host rate ends 30 September, new-manager registration 15 October 2026.Host registration open; ask for the student deadline
UK: SMCAsk a centre about download-and-print entry for 7 October 2026.Posted-paper orders closed
Brazil: OBMInvited students confirm by 2 October 2026 at 23:59; cutoff zone is not labelled.Invitation only
Australia: AIMO2026 entry and exam dates have passed; next season unverified.2026 closed
South Africa: SAMOSchool entry for 2026 is closed; await the next annual form.2026 closed
Canada: COMCArrange school or centre entry; check the Competitive Division before choosing a sitting.2026 registration information published
Singapore: SMORead the 2026 awards and ask your school about the next season.2026 closed; 2027 window unverified
Germany: 66th Mathematik-OlympiadeAsk your teacher for your state’s school-round tasks and hand-in date.2026–27 school round; local arrangements apply
Japan: JMO / JJMORegistered entrants check October instructions; the junior preliminary is online.2026–27 entry closed
France: Coupe Animath / POFMQualified entrants confirm school arrangements for the 30 September afternoon sitting.Autumn 2026 first entry closed; round two is for qualifiers
Mexico: OMMAsk your state committee for its next entry notice and eligibility.State calendar; no nationwide first-entry deadline

Read sourced Maths Olympiad news · Find every listed country and territory

New entrant? Check the application window first

An examination date is not an application deadline. This view separates first-entry opportunities from later selection events. Status checked 23 September 2026.

CountryFirst routePublished dateWhat it means
CanadaCOMC 2026 school entry14 October shipped / 21 October PDFRegistration cut-offs; confirm portal and any centre deadline
Japan37th JMO10 September 2026Registration closed; exam is 15 November, not a new-entry deadline
New ZealandNZMO11–22 July 2026; next listed month July 20272026 window passed; exact 2027 dates not published in the calendar checked
ArgentinaOMASchool round 8 April 2026Initial round passed; November national contest is for qualifiers
Other countriesCheck your national guideLocal organiser’s noticeNo global registration deadline; unverified does not mean open

Selection calendar: published dates and status

Checked 23 September 2026. This is a dated set of verified notices, not a complete worldwide deadline calendar. A date-only notice is not converted into a made-up midnight deadline. Follow the source linked from the country guide for changes.

CountryEventDate or windowLocal time basisStatus
InternationalIMO 202716–26 July 2027Budapest local dates (Europe/Budapest)Scheduled overall event; contestants’ dates differ
South Korea40th KMO second round21 September 14:00–20 October 24:00, 2026Korea Standard Time (UTC+9)Published application window; qualified candidates only
South Korea40th KMO second round exam14 November 2026Korea local date (UTC+9)Published exam date
Taiwan2027 programme: APMO preliminary14 November 2026Taiwan local date (UTC+8)Provisional; formal notice takes precedence
TaiwanTMO 20273 February 2027Taiwan local date (UTC+8)Provisional
IndiaRMO 202615 November 2026India local date (UTC+5:30)Qualified candidates; use the annual notice
IndiaINMO, 2026–27 cycle17 January 2027India local date (UTC+5:30)Source has an inconsistent year label; confirm notice
IrelandIrMO final 202723 January 2027Ireland local date (Europe/Dublin)Published final date; check entry via centre
United StatesAIME 20275–6 February 2027Authorised test-centre local scheduleInvitational; annual MAA policy applies

Check dates before making plans

Research checked on 23 September 2026. Malaysia’s official pages give conflicting IMONST2 dates, and the Philippines PMO homepage has an inconsistent national-stage year. Confirm these details with the organiser’s latest notice.

Dates shown here are specific to the named season. An announcement for a completed contest does not mean registration for the next season is open.