About IJSO
For adolescents aged 15 and under, the International Junior Science Olympiad (IJSO) is a distinguished competition that focuses on the scientific disciplines of biology, chemistry, and physics. It seeks to discover and support gifted young scientists worldwide.
Important Details of IJSO 2025:
Aspect
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Details
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Organizing Body
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The International Junior Science Olympiad (IJSO) is organized by the IJSO Committee and participating countries.
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Eligibility Criteria
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- Age limit: 15 years or younger on 31 December 2025.
- Must be a student of high school (grades 8–10).
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Exam Mode
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The competition typically consists of three rounds:
- Theoretical exam: Focus on scientific subjects.
- Experimental exam: Laboratory-based problems and tasks.
- Team Tasks: Group-based problem solving.
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Subjects Covered
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- Physics, Chemistry, Biology (basic principles and topics from high school science).
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Application Process
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- Selection varies by country, generally through national Olympiad or internal selection exams.
- Candidates are typically nominated by national science organizations.
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International Location
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The IJSO is hosted by a different country each year. In 2025, the location will be decided by the hosting country.
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Competition Dates
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Exact dates will be announced by the IJSO Organizing Committee closer to the event.
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Result Announcement
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Results are typically announced at the end of the competition, with medals awarded to the top performers.
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Fees
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Registration fees are typically covered by the respective country's organization or sponsoring body, but this may vary by year and location.
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Awards
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- Gold, Silver, and Bronze Medals.
- Honorable Mentions may be awarded to other top performers.
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In India, the Homi Bhabha Centre for Science Education (HBCSE), located in Mumbai, conducts the Indian National Junior Science Olympiad (INJSO) exam every year to selected students.
Stage 1st of the selection process is the INJSO test, which is administered by HBCSE.
The Indian National Science Olympiad (INSO) is the 2nd stage, where the top-performing INJSO students advance to take part in additional training and selection for IJSO.
Advantages of IJSO Participation:
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The chance to compete internationally on behalf of your nation.
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Honors and recognition that might improve your academic standing.
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Establishing connections with intelligent people worldwide.
- Exposure to scientific difficulties and a general advancement in scientific understanding.
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