Confirmed · Announced arrangements
A verifiable official date for 2027 is available, with the relevant region or time zone stated. Announced arrangements may still change.
HEDGE Education · Undergraduate Application Planning
2027 International High School Competition Calendar
Registration, events and results reference dates · Free PDF download
From winter subject competitions in January to year-end registration for the following season, keep a full year of competition planning close at hand. This selection of 24 international competitions provides 101 monthly reminders for registration, events, submissions and results, for high school students preparing undergraduate applications and their parents.
PDF · 13 pages (cover + 12 months) · Approx. 20.24 MB · 300 dpi print edition
Some 2027 schedules have not yet been announced. Distinguish confirmed, estimated and announcement-check entries, and recheck the current official notice, region and time zone before registering.
24 Selected competitions and competition series
101 Monthly milestones and reminders to check announcements
12 months Full-year planning · Printable
Check the date status first
This calendar supports planning and reminders. A few entries concern later rounds of the previous season or advance registration for the following season; check the year and eligibility as well.
Estimated · Based on previous seasons
Months are projected from verified past schedules to help reserve preparation time; they are not officially confirmed registration or competition dates.
Check · Remember to read announcements
A reminder to check new-season announcements, registration routes or qualification requirements; it does not mean registration is open or about to close.
Which competitions are included?
Mathematics, computing, physics, chemistry, biology, research and engineering, English writing and business. Shortlist by interests and current skills, then check grade, age, team and regional requirements.
STEM · 17
- BBO British Biology Olympiad
- UKChO UK Chemistry Olympiad Round 1
- HiMCM High School Mathematical Contest in Modeling
- USACO Online Programming Contests
- iGEM High School Synthetic Biology Competition
- CCC Canadian Computing Competition
- HMMT Harvard–MIT Mathematics Tournament
- BPhO British Physics Olympiad
- PhysicsBowl
- AMC 10/12 American Mathematics Competitions
- Euclid Mathematics Contest
- VEX V5 Robotics Competition, High School
- ISEF International Science and Engineering Fair
- Breakthrough Junior Challenge
- S.-T. Yau High School Science Award, Mainland China
- SMC Senior Mathematical Challenge
- CSMC Canadian Senior Mathematics Contest
Humanities and Social Sciences · 4
- HCGEC Global English Writing Competition
- John Locke Global Essay Prize
- Foyle Young Poets of the Year Award
- Adroit Prizes for Poetry and Prose
Business · 3
- Blue Ocean Student Entrepreneur Competition
- Diamond Challenge
- Wharton Global High School Investment Competition
2027 monthly reminders
The text version of the calendar: select a month to expand it. Each entry includes official reference sources, which may be newly announced schedules or historical pages used for projections. Read them together with the date status.
January · Winter subject competitions and cross-year submissions
STEM
- BBO British Biology Olympiad, China examination
Confirmed | Registration closes January 5; competition starts January 16 at 10:00 Beijing time
- UKChO UK Chemistry Olympiad, China
Confirmed | Registration closes January 18; competition starts January 29 at 17:00 Beijing time
- HiMCM results
Confirmed | 2026 season results announced by January 31
- USACO open contests
Estimated | Open contests in January–February; check qualification results after each round
- iGEM high school team registration
Check | From January, check team registration phases and deadline announcements
Humanities and Social Sciences
- HCGEC registration
Check | Check current-season registration; deadline expected in February
Business
- Blue Ocean Student Entrepreneur Competition
Confirmed | Register and complete the course before the February 21 submission deadline
- Diamond Challenge submissions
Confirmed | Submit the venture proposal by January 15 at 06:00 Beijing time
- Wharton Global High School Investment Competition advancement
Check | 2026–27 semifinalist announcement pending
February · Programming challenges and entrepreneurship pitches
STEM
- CCC Canadian Computing Competition, China
Confirmed | School contest-order deadline February 11; competition February 18
- USACO open contests
Estimated | Online open contests in February; individual rounds await announcement
- HMMT Harvard–MIT Mathematics Tournament
Confirmed | February 13 at MIT, USA; registration has closed
- BPhO Round 2, China
Confirmed | Deadline February 9; invitational competition February 21 at 14:00 Beijing time
- PhysicsBowl registration
Estimated | February registration window; check a separate notice for the China deadline
- AIME regional arrangements
Check | After qualifying, check examination arrangements for China
Humanities and Social Sciences
- John Locke Global Essay Prize registration
Estimated | Registration opens in February; regular deadline expected in March
- HCGEC regional round
Estimated | Registration closes and regional essays are submitted in February
Business
- Blue Ocean entrepreneurship video submissions
Confirmed | Submit by midnight in your local time zone on February 21
- Diamond Challenge advancement notifications
Confirmed | Advancement notifications by February 11 at 12:59 Beijing time
- Diamond Challenge pitches
Confirmed | Pitch events February 16–March 7; verify the specific session separately
March · Spring examinations and advancement lists
STEM
- Euclid Mathematics Contest registration
Confirmed | School contest-order deadline March 11; internal school deadlines may be earlier
- PhysicsBowl China examination
Estimated | China examination in March; date awaits announcement
- CCC results
Estimated | Schools can access final scores from late February to March
- UKChO results
Check | After the contest, check China-region score and certificate announcements
- VEX V5 regional qualification events
Confirmed | Regional championships outside the USA must be held by March 7
Humanities and Social Sciences
- John Locke Global Essay Prize registration
Estimated | Regular registration closes in March; submissions have a separate deadline
- HCGEC final round
Estimated | Global-round submissions and award announcements in March
Business
- Wharton Global High School Investment Competition semifinals
Check | Semifinal arrangements pending; check advancement notifications first
- Diamond Challenge finalist announcement
Confirmed | Global finalists announced March 9
April · Spring finals and literary submissions
STEM
- Euclid Mathematics Contest examination
Confirmed | April 7 in China and other regions outside the Americas
- VEX V5 World Championship schedule
Check | Spring World Championship schedule and new-season registration announcements
Humanities and Social Sciences
- John Locke Global Essay Prize submissions
Estimated | Submissions open in April; regular deadline expected in May
- Foyle Young Poets original poetry submissions
Estimated | Submissions open in April; deadline expected in late July
- Adroit Prizes for Poetry and Prose submissions
Estimated | Student-prize submissions open in April; deadline expected in May
Business
- Wharton Global High School Investment Competition finals
Confirmed | Learning Day and Global Finale April 29–30
- Diamond Challenge summit
Confirmed | Final summit April 29–30; follow award announcements during the event
- Blue Ocean advancement
Confirmed | Top 500 and top 100 on April 5; top 30 on April 22
May · Project submissions and spring results
STEM
- ISEF International Science and Engineering Fair
Confirmed | May 8–14 in Los Angeles; qualification through an affiliated fair is required
- Euclid results
Estimated | Check results in May; the official timeframe is 4–6 weeks after the contest
- PhysicsBowl results
Estimated | Follow official awards in May; verify China-region notices separately
- Breakthrough Junior Challenge registration and submissions
Estimated | Registration opens in May; video deadline expected in September
Humanities and Social Sciences
- John Locke Global Essay Prize submission deadline
Estimated | Regular submission deadline in May; check citations and word limits
- Adroit Prizes submission deadline
Estimated | Submissions close in May; check any extension arrangements separately
Business
- Blue Ocean results
Confirmed | Top ten announced May 4; winners announced May 13
June · Summer submissions and project milestones
STEM
- iGEM high school project information deadline
Estimated | Project information submitted in June; deadline awaits announcement
- VEX V5 new-season registration
Check | New-season registration in spring and summer; check each event's deadline separately
- BPhO prerequisite eligibility
Check | Check prerequisite results before applying in summer batches
- Breakthrough Junior Challenge submissions open
Estimated | Submission window May–September; submit registration and video together
Humanities and Social Sciences
- Foyle Young Poets submission period
Estimated | Submission window April–July; check the number of poems permitted for international entrants
- John Locke Global Essay Prize extensions
Check | Registered entrants should check paid late-submission arrangements in June
July · Research reports and poetry deadlines
STEM
- S.-T. Yau High School Science Award, Mainland China registration
Estimated | Registration opens in July; full research reports expected in September
- BPhO application batches
Estimated | Applications from summer to early autumn; check Round 1 eligibility first
- VEX V5 new-season team registration
Check | Check the official team number and regional registration announcements for the new season
- Breakthrough Junior Challenge submission period
Estimated | Registration and submissions May–September; video limit 2 minutes
Humanities and Social Sciences
- Foyle Young Poets submission deadline
Estimated | Deadline in late July; submit early according to the official time zone
- John Locke Global Essay Prize shortlist
Estimated | Shortlist announced in July; award results follow later
August · Next-season registration and autumn team competitions
STEM
- HMMT applications for autumn and the following spring
Estimated | Apply in August–September for autumn and February 2028 events
- S.-T. Yau High School Science Award, Mainland China reports
Estimated | Register and submit reports July–September; deadline expected in September
- BPhO China applications
Estimated | Application batches from summer to early autumn; places announced separately
- VEX V5 team and event registration
Check | Check new-season team numbers and openings for autumn events
- Breakthrough Junior Challenge registration and submissions
Estimated | Submissions remain open through September; check video rules first
Business
- Wharton Global High School Investment Competition registration
Estimated | Teacher registration for the 2027–28 season opens in August
September · Autumn registration and completed work
STEM
- AMC 10/12 registration
Estimated | Registration in September–October; check China-channel deadlines separately
- SMC Senior Mathematical Challenge registration
Estimated | Registration from September to early October; China deadlines may be earlier
- HMMT registration deadlines for autumn and the following spring
Estimated | Deadline in September; the spring 2028 event also requires application this year
- S.-T. Yau High School Science Award, Mainland China report deadline
Estimated | Registration and full research report submission close in September
- iGEM high school official team roster deadline
Estimated | Team roster freezes in September; follow the current season's deadline
- BPhO prerequisite Round 0
Estimated | Round 0 in September–October; verify advancement eligibility separately
- Breakthrough Junior Challenge submissions and peer review
Estimated | After submitting in September, complete at least 5 peer reviews
Humanities and Social Sciences
- Foyle Young Poets autumn results
Check | Autumn results await notification; check official lists from September
- Adroit Prizes results
Check | Track results in September–October; no fixed date is available
Business
- Wharton Global High School Investment Competition preliminary round
Estimated | Registration closes and competition starts in September; final reports due in December
- Diamond Challenge registration for the following year
Estimated | 2028 season opens in September; submissions due the following January
October · Autumn examinations and research materials
STEM
- AMC 10/12 registration deadline
Estimated | Registration closes in October; November examination dates await announcement
- SMC Senior Mathematical Challenge dates
Check | Official calendar provisionally lists October; the China examination date is pending
- CSMC Canadian Senior Mathematics Contest registration
Estimated | School contest-order deadline in October; competition in November
- S.-T. Yau High School Science Award, Mainland China regional assessment
Estimated | Regional assessment and advancement selection in October–November
- iGEM high school research presentation submissions
Estimated | Wiki and presentation video submissions concentrated in October
- VEX V5 autumn regional events
Check | Events run from autumn through the following spring; consult regional announcements for dates
Humanities and Social Sciences
- John Locke Global Essay Prize awards
Estimated | Awards announced in October; verify official results online
- HCGEC registration for the following year
Estimated | 2028 season opens in October; deadline the following February
- Foyle Young Poets results announcement
Check | Lists published in autumn; do not assume a fixed October date
- Adroit Prizes award lists
Check | Track student-prize results in autumn; exact timing pending
November · Autumn mathematics competitions and research presentations
STEM
- AMC 10/12 examinations
Estimated | Competition in November; specific A/B examination dates await announcement
- CSMC examinations
Estimated | Examination in November; China uses the date for regions outside the Americas
- HMMT autumn tournament
Estimated | In-person competition in November; registered teams should follow event notices
- HiMCM team competition
Estimated | Registration closes in early November; complete the modeling report within the month
- BPhO Round 1
Estimated | Round 1 in November; China-region eligibility must first be met
- iGEM high school global presentations and judging
Estimated | Presentations and judging around November; specific dates await announcement
- S.-T. Yau High School Science Award global finalists
Estimated | Global finalist list announced in November
- USACO new season
Check | Check 2027–28 season announcements in November–December
- SMC results
Check | Ask the school about scores and certificates; release date pending
Humanities and Social Sciences
- HCGEC registration period
Estimated | 2028 season registration underway; deadline expected in February
December · Cross-year submissions and archiving the year's work
STEM
- USACO announcements for the following year
Check | Check next year's schedule and confirm your account works
- AMC 10/12 advancement
Check | Check scores and AIME invitations; look up China examination dates separately
- CSMC results
Estimated | Check results in December; the official timeframe is approximately 4 weeks after the contest
- S.-T. Yau High School Science Award global finals
Estimated | English presentations, global finals and awards in December
- Breakthrough Junior Challenge category results
Check | Check category results in December; overall winner date pending
Humanities and Social Sciences
- HCGEC cross-year registration
Estimated | 2028 season registration continues through the following February
Business
- Wharton Global High School Investment Competition final report
Estimated | Final reports due in December; results continue into 2028
- Diamond Challenge cross-year submissions
Estimated | 2028 season submissions underway; deadline expected the following January
Download and use
Plan preparation around your application stage, then add verified official deadlines to your personal calendar.
Who is this for?
Primarily high school students planning undergraduate applications and their parents; school counselors can also use it for annual reminders. Inclusion does not mean every student is eligible, and international-round rules may differ from China-region rules.
How can I print a desk calendar?
The PDF has 13 pages: a cover and January–December 2027. Finished size is 210 × 285 mm with 3 mm bleed on each side; file pages are 216 × 291 mm at 300 dpi. Ask the printer to use the trim box. Proof the paper, binding holes and colors first.
Can I use deadline and results times directly?
First check the status, season, region and time zone. Estimated entries support planning only; Check entries remind you to read announcements. Results may be released progressively by school, region or round, with no single release day.
Download a full year of competition reminders
Compiled by HEDGE Education · January–December 2027 · 13-page PDF
Fit competitions into your university application plan
Discuss competition and university preparation around your school year, interests and available time, while checking eligibility and dates with the organizers.