To participate in IOQM 2025, students must meet specific criteria based on their class and performance. Below are the detailed eligibility requirements for the IOQM 2025 exam:

1. Students born between August 1, 2006 and July 31, 2013, and studying in Class 8, 9, 10, 11 or 12, are eligible to write IOQM 2025. Please note that NO student born on or after August 1, 2013, will be allowed to write IOQM 2025.
2. The students must be eligible to hold an Indian passport. Provisionally, students with OCI cards are eligible to write the IOQM 2025 subject to the conditions as explained below: 

• As per the orders of the Madras High Court, students with OCI status will not be eligible for selection to the Indian team in the International Mathematical Olympiad (IMO), European Girls’ Mathematical Olympiad (EGMO), Asian Pacific Mathematics Olympiad (APMO). However, such students are provisionally eligible for selection at ALL prior stages, up to and including the International Mathematical Olympiad Training Camp (IMOTC) and the European Girls’ Mathematical Olympiad Training Camp (EGMOTC) provided they fulfil all other criteria. They are also provisionally eligible to write the selection tests at the IMOTC and EGMOTC. This policy is subject to revision without prior notice depending on any further orders issued by the courts, or by a competent Government authority. 

3. The student must have been residing and studying in India since 30 October 2022 or earlier or must have been studying in an Indian school system since 30 October 2022 or earlier. 

• If the student is residing abroad and is studying in an Indian school system, then the student will have to come to India to write IOQM 2025 and the examinations of the subsequent stages (i.e Regional Mathematical Olympiad (RMO) 2025 and Indian National Mathematical Olympiad (INMO) 2025) in case s/he qualifies for these examinations. The student will be regarded as one who has enrolled from the Delhi-NCR and the same selection criteria for RMO 2025 and INMO 2026 will apply to him/her as for any student residing and studying in India who has enrolled from Delhi-NCR. The student will have to bear the expenses for the onward journey to India and the return journey from India.

4. The student must NOT have qualified (or scheduled to appear) for the class 12 board examination earlier than 30 October 2025. Please note that forfeiture of class 12 board examination results to meet the eligibility criteria of IOQM 2025 is NOT ALLOWED, and any student adopting such a means will be DISQUALIFIED from the IOQM 2025.

5.The student must NOT have commenced (or planning to commence) studies in a university or equivalent institution by 1 June 2025. 

6. The INMO 2025 Awardees are eligible to write INMO 2026 directly WITHOUT qualifying through IOQM 2025, and RMO 2025 provided they fulfil the age criteria mentioned in point no.1, they haven’t commenced (or plan to commence by June 1, 2026) studies in a university or equivalent institution, and they fulfil the eligibility criteria for IMO 2026 and EGMO 2027. Please note that the OCI students are not eligible to represent India in IMO 2026 and EGMO 2027. 

7. The student is responsible for ensuring that the above eligibility criteria are satisfied. If a student does not meet the eligibility criteria at any later stage of the programme, he or she may be disqualified from the programme.