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International Logic Olympiad
2027 · ThailandThe International Logic Olympiad in Thailand
The International Logic Olympiad (ILO) is a student logic competition founded in partnership with Stanford University. Beyond Code Academy is the regional partner in Thailand — Junior and Senior divisions, a Bangkok venue, and mentorship toward the Stanford finals.
THINK. REASON.∴ SOLVE.
YOUR REGIONAL PARTNER FOR THAILAND
Opening doors for the next generation of problem-solvers.
ILO 2027 / FOR FAMILIES
A guide for families across Thailand.
A parent guide to what ILO is, how it relates to Stanford University, who can enter from Thailand, and how country finalists reach the final round.
ILO 2027 / INFORMATION SESSION
The 9 October session has passed.
You can still register, and we will let you know about the upcoming session for ILO Junior and ILO Senior.
01 / THE OLYMPIAD
What is
ILO?
For students who ask “why?”
And then ask “what if?”
The International Logic Olympiad is an annual competition that brings students together through logical reasoning and problem-solving. Founded in partnership with Stanford University, ILO celebrates the power of thinking clearly.
Explore sets, symbolic mathematics, and the reasoning behind a good solution.
For students in Thailand, the International Logic Olympiad in Thailand runs through Beyond Code Academy, the regional partner for Thailand, with the ILO 2027 regional venue in Bangkok.
Think critically
Look beyond the obvious. Build an argument that holds up.
Make connections
Explore patterns, relationships, and the structure of a problem.
Think globally
Share your curiosity with a worldwide community of young thinkers.
ILO 2026 / STANFORD UNIVERSITY
Inside the
Olympiad.
Students from around the world met at Stanford University for the most recent International Logic Olympiad. This is what a few days of shared reasoning looks like.
See all 26 photos
Photos: International Logic Olympiad. Meet the international competition
02 / YOUR NEXT CHALLENGE
The 2027 competition.
2027Global ambition.
Global ambition.
Local connection.
Beyond Code Academy is the regional partner for Thailand for ILO, connecting students in Thailand with an international celebration of logic.
Competition dates
Preliminary round
Junior April 10 · Senior April 17, 2027
June 29–July 1, 2027: Final round at Stanford University. Registration opens January 14 and closes March 21.
Regional venue
GlowFish Sathorn
Tell us where you are and we will do our best to bring ILO closer to you.
Official registration fee
$50 per participant
ILO 2027 / INDIVIDUAL AWARDS
Preliminary round student awards
Both ILO Junior and ILO Senior have three Individual Award categories based on preliminary-round results.
Top 5%
of all participants
Top 10%
of all participants
Top 15%
of all participants
These scholars will be sent a digital certificate after the Final Round.
Top scholars from each country will be represented at Stanford University for the Final Round.
Official finalists and awardsILO 2027 / REGISTER YOUR INTEREST
Tell us where you would compete.
Leave your email and your city. We will email you when ILO 2027 registration opens on January 14, and enough interest outside Bangkok is how a second venue happens.
03 / FIND YOUR DIVISION
ILO Junior & Senior eligibility
Meet both the age and school-grade requirements for your division. Ages are assessed on January 1, 2027.
ILO JUNIORAges 11–14
Middle school · US grades 6–8
Entrants must be enrolled in middle school and able to understand, communicate, and take exams in English.
Official Junior eligibility
ILO SENIORAges 14–18
High school · US grades 9–12
Entrants must be enrolled in high school when registering and able to understand, communicate, and take exams in English.
Official Senior eligibilityFind your school-year equivalent.
Compare US grades 6–12 with Thai and British school years.
ILO age cutoff:
Junior: ages 11–14 · Senior: ages 14–18 on this date.
| US grade | Thailand | UK / British(England) | Suggested ILO level(by US grade) |
|---|---|---|---|
| Grade 6 | Prathom 6 | Year 7 | Junior |
| Grade 7 | Matthayom 1 | Year 8 | Junior |
| Grade 8 | Matthayom 2 | Year 9 | Junior |
| Grade 9 | Matthayom 3 | Year 10 | Senior |
| Grade 10 | Matthayom 4 | Year 11 | Senior |
| Grade 11 | Matthayom 5 | Year 12 | Senior |
| Grade 12 | Matthayom 6 | Year 13 | Senior |
Division and age-cutoff sources: Official Junior eligibility · Official Senior eligibility
ILO 2027 / WHAT THE EXAM COVERS
Topics for each division.
ILO Junior questions follow the official Junior syllabus. ILO Senior follows Stanford’s Introduction to Logic, the course ILO is built on.
Topics: official Junior syllabus
- Basic arithmetic+, −, ×, ÷, >, <
- Sets and set operationsunion, intersection, complement, subset
- Functionsnumeric and non-numeric
- Relationsunary, binary, ternary
- Graphse.g. “likes” or “parent” among people
- Logic grids and tablesrelations in table form
- Datasetsfacts written as sentences
- Relation definitionsgrandparent = parent of a parent
- Evaluating definitionsfind grandparents from parent facts
- Constraints and goalsfind datasets that satisfy goals
Topics: Stanford Introduction to Logic
- Introduction
- Propositional Logic
- Propositional Analysis
- Direct Proofs
- Natural Deduction
- Resolution Proofs
- Relational Logic
- Relational Analysis
- Model Checking
- Fitch Proofs
- Term Logic
- Induction
- Resolution
- Equality
- First Order Logic
04 / PLAN YOUR ENTRY
Registration, step by step.
ILO publishes the following process. Registration runs from January 14 to March 21, 2027 on the official portal.
- 01
Create & verify your account
Sign up on the ILO portal and verify your email. An account alone is not a competition entry.
- 02
Choose your division
Confirm your age and school grade.
- 03
Choose your location
Select your residence location for the preliminary exam; ILO verifies it after payment.
- 04
Provide identification
Upload clear documents confirming your name, birthdate, school, and grade.
- 05
Complete payment
Pay the listed $50 registration fee to finalize your entry.
Prepare your documents
A school ID with all required details is preferred. See the official guide for accepted alternatives.
Sources: ILO Junior and ILO Senior registration pages · Eligibility and registration information checked September 13, 2026. Venue information provided by Beyond Code Academy.
05 / START WITH CURIOSITY
Great reasoning
starts with practice.
You don’t have to wait for the competition to explore logic. Get familiar with the ideas behind the challenge.
Official
sample test
Try ILO’s official sample test and get a feel for the competition.
Explore the official sample test
ILO 2027 / YOUR QUESTIONS
Frequently asked questions
What is the International Logic Olympiad (ILO)?
The International Logic Olympiad (ILO) is an annual competition in logical reasoning and problem-solving for students. It has Junior and Senior divisions. Beyond Code Academy is the regional partner for Thailand for ILO, so students can enter the International Logic Olympiad in Thailand.
About ILO on the official websiteIs there an International Logic Olympiad in Thailand?
Yes. Beyond Code Academy is the regional partner for Thailand for the International Logic Olympiad (ILO), so ILO runs in Thailand with a regional venue at GlowFish Sathorn. Students in Thailand can enter ILO Junior (ages 11–14) or ILO Senior (ages 14–18) through the official ILO portal, and Beyond Code Academy runs the ILO Mentorship Program in Thailand to prepare for it. We want ILO to be as accessible as possible for families across Thailand, so please let us know where you are located.
Register your interestHow long is the ILO Mentorship Program?
Beyond Code Academy offers 15 Senior mentorship sessions of 2 hours each (30 hours total) and 12 Junior sessions of 2 hours each (24 hours total). Every session is recorded for revision. Contact Beyond Code Academy for schedules, session format, and program fees.
Enquire with Beyond Code AcademyWho can enter ILO Junior and ILO Senior?
ILO Junior is for students aged 11–14 enrolled in middle school (US grades 6–8). ILO Senior is for students aged 14–18 enrolled in high school (US grades 9–12) at registration. Ages are assessed on January 1, 2027. Both divisions require English proficiency. See the eligibility section for official requirements and the Thai and British school-year comparison.
View eligibility and school-year equivalentsWhere will ILO 2027 take place in Thailand?
The regional venue is GlowFish Sathorn, and for now it is the only confirmed one. We want ILO to be as accessible as possible for families across Thailand, so tell the team where you are located and we will do our best to bring the competition closer to you.
Contact our team about your cityDoes the ILO competition fee include mentorship?
ILO lists a competition registration fee of US$50 per participant for both divisions. The Beyond Code Academy ILO Mentorship Program is separate. Contact the academy for mentorship pricing, and check the official ILO registration guide for current competition fees and payment instructions.
Official ILO registration guideWhat individual awards are there in the preliminary round?
Both ILO Junior and ILO Senior have three Individual Award categories based on preliminary-round results: Gold for the top 5% of all participants, Silver for the top 10%, and Bronze for the top 15%. Awarded scholars will be sent a digital certificate after the Final Round. Top scholars from each country will be represented at Stanford University for the Final Round.
View preliminary round awardsWhen are the ILO 2027 competition and registration dates?
ILO registration opens January 14, 2027 and closes March 21, 2027. The Junior preliminary round is April 10, and the Senior preliminary round is April 17, at the regional venue. The final round at Stanford University is June 29–July 1, 2027.
Official ILO 2027 datesIs there an ILO 2027 information session?
The Friday 9 October 2026 Zoom information session has passed. You can still register, and Beyond Code Academy will let you know about the upcoming session. Leave your name, email, and school name, and add us on LINE.
Register for the information sessionIs this the UN International Labour Organization (ILO)?
No. The International Logic Olympiad is a student logic competition founded in partnership with Stanford University. It is not the United Nations International Labour Organization, even though both are abbreviated ILO. The official competition site is logicolympiad.org.
Read the family guideIs the International Logic Olympiad exam in English?
Yes. Both ILO Junior and ILO Senior exams are in English. Students must be able to understand, communicate, and complete exams in English. Families can discuss the contest in whatever language they speak at home; the paper is not translated.
View eligibilityCan students in Thai schools and international schools in Thailand enter ILO?
Yes, if they meet ILO’s age, school-grade, and English-language rules. Students in Thai schools, bilingual programmes, and international schools all register on the official portal and select the Thailand testing location. Beyond Code Academy is the regional partner.
Guide for families in ThailandHow do students from Thailand qualify for the Stanford finals?
Sit the in-person preliminary round in Thailand (Junior 10 April 2027, Senior 17 April 2027). ILO selects finalists from that regional pool; selection is relative, not a fixed cut-off score. Finalists represent their country at Stanford University on 29 June–1 July 2027. Gold, Silver, and Bronze medals are a separate ranking of the global preliminary-round field.
How Stanford finals workBe ready for your
“I figured it out” moment.
Follow the official ILO announcements for 2027 news,
and connect with Beyond Code Academy for regional updates.