Science Olympiad

Name of Olympiad

Date of Examination

Details

National Science Olympiad (NSO 2025)

Level 1 Exam 

Date 1: 13^th  Nov, 2025
Date 2: 27^th Nov, 2025

Date 3: 11^th  Dec, 2025

• It aims to promote scientific aptitude and knowledge among students from classes 1 to 12. 
• Science Olympiad Foundation is the organising body. 

National Level Science Talent Search Examination
(2026) 

Mock Exam Date: 18th  Jan, 2026

Final Exam Date: 25th  Jan, 2025

• It aims to identify and nurture talented students in the fields of science & math.
• It is organised by the Unified Council. 

Vidhyarthi Vigyan Manthan (VVM 2025-26)

Exam Date :23rd & 27th Oct, 2025

National Camp : 24th & 25th May, 2025

• It aims at popularizing science among school students and identifying young scientific talent.
• VVM is an initiative by Vijnana Bharti in collaboration with NCERT and Vigyan Prasar

National Interactive Science Olympiad (NISO 2025)

Level 1 Exam: Nov, 2025

• It is designed to challenge students' understanding of science concepts and their application in real-world scenarios. 
• EduHeal is the organising body of the NISO Olympiad. 

National Standard Examination in Biology (NSEB)

Nov, 2025 (Excat date not announced)

• Qualification test for the Indian National Biology Olympiad (INBO).
• It aims to identify and nurture young talents in the field of biology.
• Organized by the Indian Association of Physics Teachers.  

Indian Biology Olympiad (INBO 2025)

2nd February 2025.

• It is the second stage in the selection process for the International Biology Olympiad (IBO).
• It identifies & nurtures talented students in biology.
• INBO is conducted by HBCSE. 

National Standard Examination in Chemistry (NSEC 2025)

Nov, 2025 (Exact date not announced)

• It is the first and the qualifying stage for the InCho exam.
• Indian Association of Physics Teachers (IAPT is the organising body for NSEC.

Indian National Chemistry Olympiad (InChO 2025)

1st February 2025. 

• Identify and nurture talented students in chemistry. 
• Second stage of the selection process for the International Chemistry Olympiad (IChO).
• HBCSE is the official body to organise this exam. 

National Standard Examination in Physics (NSEP 2025)

Nov, 2025 (Exact date not announced)

• It aims to identify and nurture young talents in the field of physics.
• Top performers in NSEP will be qualified for InPho.
• IAPT is the official conducting authority. 

InPhO (Indian National Physics Olympiad)

2nd February 2025. 

• It identifies and nurtures talented physics students. 
• It serves as the second stage in the selection process for the International Physics Olympiad (IPhO).
• HBCSE is the whole and sole organising authority for InPho.

National Standard Examination in Junior Science (NSEJS)

Nov, 2025 (Exact date not announced)

• It is the qualifying stage for the INJSO Olympiad. 
• It is organised by the Indian Association of Physics Teachers (IAPT.

Indian Olympiad Qualifier in Junior Science (IOQJS 2025)

Will be notified

• It is designed to identify & nurture young talent in science. 
• It serves as the entry point or we can say first stage for students aspiring to participate in the the International Junior Science Olympiad (IJSO).

Indian National Junior Science Olympiad (INJSO)

Will be notified

• It is the second stage in the process of selecting the Indian team for the International Junior Science Olympiad (IJSO)
• HBCSE is the body to organises this exam. 

National Standard Examination in Astronomy (NSEA)

23rd November 2025

• It is the first stage in the IOAA selection process. 
• Top performers of the NSEA exam are eligible for the INAO exam.
• The NSEA is organized by the Indian Association of Physics Teachers (IAPT) in association with the Homi Bhabha Centre for Science Education (HBCSE).

INAO (Indian National Astronomy Olympiad)

1st  February 2025. (tentatively)

• It is the second stage in the selection process for the International Astronomy and Astrophysics Olympiad (IOAA).
• The INAO is organized by the Homi Bhabha Centre for Science Education (HBCSE).

Name of Olympiad

Date of Examination

Details

International Olympiad of Science (IOS)

First Date: 13th November 2025

Second Date: 5th December 2025

• The IOS is a global competition in which talented students demonstrate their knowledge in scientific fields such as physics, chemistry, biology, and earth sciences. 
• It aims to foster scientific curiosity and excellence among participants. 
• The official organizing body for the International Olympiad of Science (IOS) is the SilverZone Foundation.

The Unicus Science Olympiad (USO)

10^th July / 26^th  July 2025

• The Unicus Science Olympiad (USO) is a competitive exam promoting scientific curiosity and excellence among students. 
• It covers various science topics and provides a platform for participants to showcase their knowledge and skills. 

The CREST Science Olympiad (CSO)

Level 1 Exam : 4^th, 16^th Dec 2025

Level 2 Exam: 1^st Feb 2025

• The CREST Science Olympiad (CSO) is a competitive exam designed to foster scientific curiosity and excellence among students. 
• It covers various science topics and offers a platform for participants to demonstrate their knowledge and skills. 

IAIS Science Olympiad

Will be Notified

• The IAIS Science Olympiad is a competitive examination to assess students' understanding of scientific concepts. 
• It covers various science topics and provides a platform for students to showcase their knowledge and skills. 

Humming Bird Science Olympiad (HSO)

Will be notified

• The Humming Bird Science Olympiad (HSO) is a competitive exam promoting scientific curiosity and excellence among students.
• It covers various science topics and provides a platform for participants to showcase their knowledge and skills. 

International Science Olympiad (ISO)

23rd May, 2025 to 10th June, 2025

• The International Science Olympiad (ISO) is a prestigious competition where students demonstrate their scientific knowledge and skills worldwide. 
• Covering various science disciplines, ISO aims to foster curiosity and excellence in science education. 

International Earth Science Olympiad (IESO)

Will be notified

• The International Earth Science Olympiad (IESO) is a renowned competition that gathers talented students worldwide to showcase their knowledge and skills in earth sciences. 
• IESO aims to promote understanding and appreciation of the Earth's natural processes and resources. 

International Physics Olympiad (IPhO)

July 17th  to July 25th, 2025

• The International Physics Olympiad (IPhO) is a prestigious competition that brings together top physics students worldwide to showcase their knowledge and problem-solving skills. 
• It aims to promote excellence in physics education and foster international cooperation among young physicists. 

International Chemistry Olympiad (IChO)

5^th to 14^th July 2025

• The International Chemistry Olympiad (IChO) is a prestigious competition that gathers top chemistry students from around the world to showcase their knowledge and skills in chemistry. 
• Organized annually, IChO aims to promote excellence in chemistry education and foster international cooperation among young chemists. 

International Biology Olympiad (IBO)

13-20 July 2025 

• The International Biology Olympiad (IBO) is a prestigious competition that brings together top biology students from around the world to demonstrate their knowledge and skills in biology. 
• It aims to promote excellence in biology education and foster international cooperation among young biologists.

International Olympiad on Astronomy and Astrophysics (IOAA)

17-26 August 2025

• The IOAA is a prestigious competition that gathers top astronomy and astrophysics students from around the world to showcase their knowledge and skills in these fields. 
• Organized annually, IOAA aims to promote excellence in astronomy and astrophysics education.
• participants compete in rigorous theoretical and observational examinations covering various aspects of astronomy and astrophysics.

Science Olympiad Exams at the National Level

National Science Olympiad (NSO)

• The National Science Olympiad (NSO) is a competitive examination held in India for students in Classes 1 to 12. 
• It aims to promote scientific reasoning, logical ability, and problem-solving skills among students. 
• The Science Olympiad Foundation (SOF) conducts the exam at different levels, including school, zonal, state, and international levels. 

National Level Science Talent Search (NSTSE )

• NSTSE, which stands for National Level Science Talent Search Examination, is a competitive exam that tests students' knowledge and skills in science and maths. 
• A nationwide test in India that evaluates students' understanding of science and math concepts from Class 1 to Class 12. 
• It aims to identify and foster talent in these subjects. Conducted by the Unified Council, NSTSE is renowned for its rigorous assessment approach.

Vidhyarti Vigyan Manthan (VVM)

• Vidyarthi Vigyan Manthan (VVM) is a national program in India that popularizes science among students from Class 6 to Class 11. 
• It is conducted by the Vijnana Bharati (VIBHA) in collaboration with the National Council of Educational Research and Training (NCERT) and Vigyan Prasar. 

National Interactive Science Olympiad (NISO)

• The National Interactive Science Olympiad (NISO) is an exam in India designed to promote scientific interest and excellence among students from Class 1 to Class 12. 
• Organized by the Eduheal Foundation, NISO evaluates students' understanding of science through interactive questions covering subjects like physics, chemistry, biology, and environmental science. 

National Standard Examination in Chemistry (NSEC)

• In India, the Indian Association of Physics Teachers (IAPT) and the Homi Bhabha Centre for Science Education oversee the National Standard Examination in Chemistry (NSEC), a competitive exam (HBCSE). 
• It is the initial stage for selecting candidates for the Indian National Chemistry Olympiad (INChO). 
• Open to students up to Class 12, NSEC evaluates their knowledge of chemistry topics. 

National Standard Examination in Physics (NSEP)

• The National Standard Examination in Physics (NSEP) is a competitive exam conducted in India to assess students' understanding of physics. 
• Organized by the Indian Association of Physics Teachers (IAPT) under the guidance of the Homi Bhabha Centre for Science Education (HBCSE), NSEP serves as the first stage of selection for the Indian National Physics Olympiad (INPhO). 
• Students up to Class 12 are eligible to participate, and the exam covers various physics topics. 

National Standard Examination in Biology (NSEB)

• The National Standard Examination in Biology is a competitive examination conducted in India to assess students' knowledge and understanding of biology. 
• Organized by the Indian Association of Physics Teachers (IAPT) under the guidance of the Homi Bhabha Centre for Science Education (HBCSE), NSEB serves as the first stage of selection for the Indian National Biology Olympiad (INBO). 
• It is open to students up to Class 12 and covers various biology topics. 

Indian Biology Olympiad (INBO)

• The Indian Biology Olympiad (INBO) is a prestigious academic competition held in India to promote excellence in biology among students. 
• Organized by the Indian Association of Physics Teachers (IAPT) in collaboration with the Homi Bhabha Centre for Science Education (HBCSE), INBO aims to identify and nurture talented students in the field of biology. 
• It is the second stage of selection in the Indian National Biology Olympiad (INBO) and is open to students up to Class 12. 

Indian National Chemistry Olympiad (InChO)

• The Indian National Chemistry Olympiad (INChO) is a prestigious competition held in India to recognize and cultivate talent in chemistry among students. 
• Organized by the Indian Association of Physics Teachers (IAPT) with the guidance of the Homi Bhabha Centre for Science Education (HBCSE), INChO serves as the final stage of selection for the Indian team for the International Chemistry Olympiad (IChO). 
• It is open to high school students, typically up to Class 12, who have successfully cleared the National Standard Examination in Chemistry (NSEC). 

Indian National Physics Olympiad (InPhO)

• The Indian National Physics Olympiad (InPhO) is a prestigious competition organized by the Indian Association of Physics Teachers (IAPT) and guided by the Homi Bhabha Centre for Science Education (HBCSE). 
• It serves as the final stage of selection for the Indian team for the International Physics Olympiad (IPhO). Open to high school students, usually up to Class 12, who have cleared the National Standard Examination in Physics (NSEP), InPhO aims to identify and nurture talent in physics.

Indian Olympiad Qualifier in Junior Science (IOQJS)

• The Indian Olympiad Qualifier in Junior Science (IOQJS) is a significant competition in India to identify and nurture young talent in science. 
• Organized by the Homi Bhabha Centre for Science Education (HBCSE), IOQJS is the initial stage of selection for various international science Olympiads for junior students. 
• It is open to students up to Class 10 who have a passion for science and have excelled in the National Standard Examination in Junior Science (NSEJS). 

Indian National Astronomy Olympiad (INAO)

• The Indian National Astronomy Olympiad (INAO) is a competition in India that promotes astronomy among students. 
• Organized by the IAPT and HBCSE, it is the final selection stage for the Indian team for the International Olympiad on Astronomy and Astrophysics (IOAA). 
• Open to high school students who have cleared the National Standard Examination in Astronomy (NSEA), top performers in INAO represent India internationally at the IOAA.
  

International Level Science Olympiad Exams

International Olympiad of Science (IOS)

• The International Olympiad of Science (IOS) is a global competition for talented students to demonstrate their knowledge in scientific fields such as physics, chemistry, biology, and earth sciences. 
• It aims to foster scientific curiosity and excellence among participants. Successful students may gain recognition and future opportunities in science.

The Unicus Science Olympiad (USO)

• The Unicus Science Olympiad (USO) is a competitive exam promoting scientific curiosity and excellence among students. 
• It covers various science topics and provides a platform for participants to showcase their knowledge and skills. 
• Successful students may receive recognition and opportunities for further advancement in science.

The CREST Science Olympiad (CSO)

• The CREST Science Olympiad (CSO) is a competitive exam designed to foster scientific curiosity and excellence among students. 
• It covers various science topics and offers a platform for participants to demonstrate their knowledge and skills. 
• Successful students may earn recognition and opportunities for further advancement in science.

IAIS Science Olympiad

• The IAIS Science Olympiad is a competitive examination to assess students' understanding of scientific concepts. 
• It covers various science topics and provides a platform for students to showcase their knowledge and skills. 
• Successful participants may receive recognition and opportunities for further advancement in science.

Humming Bird Science Olympiad (HSO)

• The Humming Bird Science Olympiad (HSO) is a competitive exam promoting scientific curiosity and excellence among students.
• It covers various science topics and provides a platform for participants to showcase their knowledge and skills. 
• Successful students may receive recognition and opportunities for further advancement in science.

International Science Olympiad (ISO)

• The International Science Olympiad (ISO) is a prestigious competition where students demonstrate their scientific knowledge and skills worldwide. 
• Covering various science disciplines, ISO aims to foster curiosity and excellence in science education. 
• Successful participants may gain recognition and further academic and professional scientific advancement opportunities.

International Earth Science Olympiad (IESO)

• The International Earth Science Olympiad (IESO) is a renowned competition that gathers talented students worldwide to showcase their knowledge and skills in earth sciences. 
• IESO aims to promote understanding and appreciation of the Earth's natural processes and resources. 
• Successful participants may gain recognition and opportunities for further academic and professional growth in earth sciences.

International Physics Olympiad (IPhO)

• The International Physics Olympiad (IPhO) is a prestigious competition that brings together top physics students worldwide to showcase their knowledge and problem-solving skills. 
• It aims to promote excellence in physics education and foster international cooperation among young physicists. 
• Successful participants may gain recognition and opportunities for further academic and professional advancement in physics.

International Chemistry Olympiad (IChO)

• The International Chemistry Olympiad (IChO) is a prestigious competition that gathers top chemistry students from around the world to showcase their knowledge and skills in chemistry. 
• Organized annually, IChO aims to promote excellence in chemistry education and foster international cooperation among young chemists. 

International Biology Olympiad (IBO)

• The International Biology Olympiad (IBO) is a prestigious competition that brings together top biology students from around the world to demonstrate their knowledge and skills in biology. 
• It aims to promote excellence in biology education and foster international cooperation among young biologists.
• Participants compete in rigorous theoretical and practical examinations covering various aspects of biology. 

International Olympiad in Astronomy and Astrophysics (IOAA)

• The IOAA is a prestigious competition that gathers top astronomy and astrophysics students from around the world to showcase their knowledge and skills in these fields. 
• Organized annually, IOAA aims to promote excellence in astronomy and astrophysics education and foster international cooperation among young astronomers. 
• participants compete in rigorous theoretical and observational examinations covering various aspects of astronomy and astrophysics.