Olympiad exams are a great way to challenge bright minds and build a solid academic foundation beyond the school curriculum. As the 2025 academic session approaches, students and parents are eagerly looking for the Olympiad exam schedule to organize their preparation effectively. Whether your child is appearing for the National Science Olympiad (NSO), International Mathematics Olympiad (IMO), or International English Olympiad (IEO), knowing the Olympiad Exam Calendar 2025 is the first step toward success.
In this detailed blog post, Edudrona brings you the complete list of important Olympiad dates, registration deadlines, exam levels, and preparation tips for the 2025 Olympiad season.
Olympiad exams are conducted by several prestigious organizations, including:
Science Olympiad Foundation (SOF)
SilverZone Foundation
Unified Council
Eduheal Foundation
Indian Talent Olympiad (ITO)
Each of these organizations conducts Olympiads in multiple subjects such as Science, Maths, English, GK, Cyber, Reasoning, and more, across various class levels (1 - 12).
Level 1 Exam Dates: October 17, October 30, November 14, 2025
Level 2 Exam Date: February 2, 2026
Registration Deadline: September 15, 2025
Level 1 Exam Dates: November 28, December 12, December 19, 2025
Level 2 Exam Date: February 9, 2026
Registration Deadline: October 15, 2025
Exam Dates: October 10, October 24, November 7, 2025
No Level 2
Registration Deadline: September 10, 2025
Exam Dates: December 3 and December 17, 2025
No Level 2
Registration Deadline: October 31, 2025
Exam Dates: September 20, October 4, October 18, 2025
No Level 2
Registration Deadline: August 31, 2025
Round 1 Dates: November 4 to December 15, 2025
Round 2 Date: January 22, 2026
Registration Deadline: October 15, 2025
Round 1 Dates: November 10 to December 20, 2025
Round 2 Date: February 5, 2026
Registration Deadline: October 15, 2025
Round 1 Dates: October 20 to December 10, 2025
Round 2 Date: January 29, 2026
Registration Deadline: October 1, 2025
Dates: November 1 to December 15, 2025
Registration Deadline: October 10, 2025
Exam Window: October 20 - December 30, 2025
Online & School-Based Modes Available
Registration Deadline: September 30, 2025
Exam Date: December 8, 2025 (Offline), December 14, 2025 (Online)
Registration Deadline: October 31, 2025
Exam Date: November 28, 2025
Registration Deadline: October 20, 2025
Exam Date: November 7, 2025
Registration Deadline: October 5, 2025
Subjects Covered: Science, Maths, English, GK, Essay Writing, Drawing, Computer, Social Studies
Exam Mode: Monthly (April 2025 - February 2026)
Annual Olympiads: Scheduled in December 2025
Registration Deadline: Varies (Check monthly schedule)
Students can register for Olympiad exams in two ways:
Through Schools - Most schools collaborate with Olympiad organizations for bulk registration.
Individual Registration Online - Students can visit the official websites of SOF, SilverZone, Unified Council, etc., and register directly.
Name, class, school name
Subject(s) opted for
Address and parent contact details
Note: Always register before the deadline to avoid late fees or disqualification.
Begin 3-6 months before the exam date
Break syllabus into weekly targets
Join Edudrona's personalized Olympiad classes to get subject experts, mock tests, and targeted study plans
Simulate real exam scenarios to boost confidence and accuracy
Olympiads test application, not just rote memorization
Use report cards and analysis tools from coaching platforms
The Olympiad Exam Calendar 2025 gives students and parents a clear roadmap to plan ahead. With exams spanning from September 2025 to February 2026, there is ample time to prepare strategically.
Edudrona's one-on-one Olympiad coaching classes help students understand concepts deeply, practice rigorously, and approach Olympiads with confidence.
Ready to get started? Book a Free Demo Class today and start preparing with expert mentors.
Yes, students can register independently on the official Olympiad websites.
Ideally, 3-6 months before the exam date. Early preparation ensures better conceptual clarity and practice.
Yes, most Olympiads are available from Class 1 to Class 12, though level 2 exams typically start from Class 3 onwards.
Absolutely! Many students appear for 2-4 Olympiads in one academic session across different subjects.
Yes, our modules are 100% aligned with the latest exam patterns of SOF, SilverZone, Unified Council, and other Olympiad bodies.
Let your Olympiad journey in 2025 begin with the right preparation and timely planning.