International Junior Science Olympiad (IJSO) – The International Junior Science Olympiad (IJSO) is an annual individual and team competition in the Natural Sciences for students who are under sixteen years old. IJSO has been established in recognition of the significance of the Natural Sciences in the general education of young people and in all aspects of their lives. It is a purely educational event.

The IJSO Competition will be held in BOTSWANA this year. All the candidates are advised to register early to avoid disappointment via this IJSO website.


  • To promote and reward the pursuit of excellence in scientific endeavour.
  • To challenge, stimulate and encourage gifted students to further develop their talents in Natural Sciences.
  • To create friendship and relationships among students around the world from an early age.
Latest: Online registration for IJSO 2018 has been started. Candidates can register for the same from link given below.

15th International Junior Science Olympiad – IJSO 2018

IJSO is held in the first week of December of every year, in different countries. Currently, around 50 member countries participate per annum.

Another important objective of the Olympiads is for young people to experience different cultures and to bring about interactions between students from across the world. Thus, the Olympiads have a potential to promote global peace and understanding.

Schedule for IJSO 2018 is given below:


The registration process for the IJSO 2018 has been started. IJSO 2018 will held at BOTSWANA from December 2-11, 2018. The last date for completing registration process is April 30, 2018. Candidates can register for IJSO 2018 from the official website of IJSO 2018 or direct link provided below.

Registration: Click Here for online registration of IJSO 2018.

Participation Fee for IJSO 2018

  • Participation fee for each team is US$1000.
  • Participation for each observer is US$ 1500.
  • Participation fee for each visitor is US$ 2000.
  • For visitors an additional fee for single room is US$ 900 per person.

Account Details for all fee payment
Bank Code: 110167
Account number: 95210100011273
Account Name: International Junior Science Olympiad-BW2018

Note: Please note that the costs of return travel to and from Botswana as well as health and travel insurance is not covered by the hosting country. The country coordinators of the participating countries must ensure that their government or sponsor covers all return travel costs.


The guidelines to participate in the International Junior Science Olympiad are given below.

  • Competitors must be born on or after 1 January 2003, i.e they must not be older than 15 years old.
  • He/She must holds a valid passport of that country or is in the education system of that country for at least one academic year.
  • A normal team consists of six students and three leaders. If a normal team cannot be fulfilled, a minimum team of three students and one leader is allowed to participate in IJSO. Teams consisting of less than three members do not qualify for team awards.
  • Participants are not allowed to use their own collection of formulae from mathematics, chemistry, physics, etc. during the competition.
  • Each participating country that has either participated with a team or sent an observer to the IJSO in one of the previous two years, is invited to send a delegation of six students and three team leaders.

IJSO Syllabus

The syllabus of the International Junior Science Olympiad (IJSO) lists the skills and areas of knowledge the participants should be familiar with for this competition.

It thus serves as a guideline for developing tasks to the Scientific Committees of the hosting countries but should also help the leaders of the participating countries to effectively train their students for this competition.

In order to keep the syllabus up to date it should be revalidated every three years and if necessary shortened or expanded.

Structure and content of the syllabus

The International Junior Science Olympiad is a general science competition. The IJSO syllabus is therefore not strictly divided into the disciplines biology, chemistry and physics but rather intends to highlight basic general concepts in science.

This conceptual approach is also meant to encourage the development of problems of interdisciplinary content and relevance.

The content of the syllabus is based on

  • The former syllabus of the IJSO.
  • The syllabi for students up to 15 years of age in the participating countries.
  • The problems given at the IJSO until the 5th IJSO in 2008.

Candidates can check the complete syllabus here-

Download IJSO 2018 Syllabus

IJSO Question Papers and Solutions

2017 Question Papers and Solutions

MCQ Theory Experiment

2016 Question Papers and Solutions

MCQ Theory Experiment

2015 Question Papers and Solutions

MCQ Theory Experiment

Official Webiste:

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