Every cycle of news + important dates we've captured for Silverzone International Olympiad of Science, oldest cycles at the bottom. Live information is on the main exam page; this archive preserves what each previous cycle officially announced.
SilverZone has launched RealMetrics, a world-class benchmarking assessment report that will provide students with detailed performance analysis alongside their olympiad results.
Archived 23 Aug 2026
For the 2026-27 session, SilverZone has announced Dubai as the venue for Level 3 examinations for schools outside India, expanding international accessibility.
Archived 23 Aug 2026
SilverZone has confirmed three Level 1 exam dates for the 2026-27 session: October 14, November 19, and December 8, 2026. Participating schools can choose one of these dates, with different question papers for each slot.
Archived 23 Aug 2026
SilverZone Foundation has opened registrations for the International Olympiad of Science 2026-27 cycle. Schools can register students from Classes 1 to 12 through the offline registration process until the deadline.
Archived 23 Aug 2026
Silverzone has begun offline registration for IOS 2026-27 through registered schools. The last date for registration is August 31, 2026.
Archived 14 Aug 2026
Level 2 exams for qualified students from Level 1 are expected to be conducted in February 2027, with results tentatively in March 2027.
Archived 14 Aug 2026
The Silverzone Foundation announced Level 1 results for the International Olympiad of Science on January 16, 2026. Qualified students are now eligible for Level 2, expected in February-March 2026.
Archived 14 Aug 2026
The Silverzone Foundation released the IOS answer key within 30 days of the exam, available on silverzone.org for student reference and verification.
Archived 14 Aug 2026
Silverzone Foundation has opened registration for iOS 2026-27 session. Schools can register students through August 31, 2026. Individual participation is not accepted; registration must be through school coordinators.
Archived 25 Jul 2026
Silverzone has announced three exam date options for IOS 2026-27: October 8, November 18, and December 7, 2026. Schools can select any one date for conducting the Olympiad during school hours.
Archived 25 Jul 2026
The Level 2 results for iOS along with iOM and iOEL are expected to be announced during March-April 2026. Top performers from Level 2 will qualify for Level 3 in New Delhi.
Archived 25 Jul 2026
The Silverzone Foundation declared the International Olympiad of Science (iOS) Level 1 results on January 16, 2026. Students can check their results at silverzone.org using enrollment number and access code.
Archived 25 Jul 2026
The Silverzone International Olympiad of Science Level 1 examination was conducted in the first week of this month across registered schools nationwide. Students from Classes 1-12 participated in the Science Olympiad, with answer keys expected to be released on the official portal in the coming days.
Archived 5 Jul 2026
Silverzone Foundation has announced a short extension for school registrations in certain regions where enrollment was disrupted due to administrative delays. Schools can contact their regional coordinators for confirmation on extended deadlines.
Archived 5 Jul 2026
Silverzone has released the Level 2 qualification guidelines, confirming that top-performing students from Level 1 across each class will be eligible. The Level 2 exam is tentatively scheduled for later this year, with detailed notifications to follow after Level 1 result declaration.
Archived 5 Jul 2026
Updated preparation resources including previous years' question papers and topic-wise practice sets for the International Olympiad of Science are now accessible through the official Silverzone website for registered students.
Archived 5 Jul 2026
🏅IOS Level 3 Exam (New Delhi)
Mon, 31 May, 2027International-level final for Level 2 rank 1 holders from Classes 6-12
Archived 25 Jul 2026
Level 2 Results
Fri, 2 Apr, 2027March 2027 - Level 2 result declaration
Archived 23 Aug 2026
🏅Level 2 Examination
Wed, 3 Mar, 2027February 2027 - For Level 1 qualifiers (top 1000 rank holders with 50%+ marks)
Archived 23 Aug 2026
🏅IOS Level 2 Exam
Tue, 2 Mar, 2027For top 1000 rank holders (ranks 4-1003) with minimum 50% marks
Archived 25 Jul 2026
🏅IOS 2026-27 Level 2 exam period
Tue, 2 Mar, 2027Expected in February 2027
Archived 14 Aug 2026
Level 1 Results announcement
Sun, 31 Jan, 2027January 2027 - Results available online at silverzone.org
Archived 23 Aug 2026
IOS 2026-27 Level 1 result expected
Sun, 31 Jan, 2027Tentatively in January 2027
Archived 14 Aug 2026
IOS Level 1 Result declaration
Sat, 16 Jan, 2027Expected in January 2027 based on previous cycle pattern
Archived 25 Jul 2026
Answer key release for IOS 2026-27 Level 1
Wed, 6 Jan, 2027Answer key typically released within 30 days after final exam date
Archived 25 Jul 2026
Level 1 Answer Key release
Wed, 30 Dec, 2026Expected within 30 days after the last exam date
Archived 23 Aug 2026
🏅Level 1 Exam - Date Option 3
Tue, 8 Dec, 2026December 8, 2026 - Third exam date slot
Archived 23 Aug 2026
🏅IOS Level 1 Exam Date Option 3
Mon, 7 Dec, 2026Third available exam date (December 7, 2026)
Archived 25 Jul 2026
🏅IOS 2025-26 Level 3 exam (New Delhi)
Mon, 7 Dec, 2026For 1st rank holders from Level 2, Classes 6-12
Archived 14 Aug 2026
🏅Level 1 Exam - Date Option 2
Thu, 19 Nov, 2026November 19, 2026 - Second exam date slot
Archived 23 Aug 2026
🏅IOS Level 1 Exam Date Option 2
Wed, 18 Nov, 2026Second available exam date (November 18, 2026)
Archived 25 Jul 2026
🏅IOS 2026-27 Level 1 exam window opens
Sun, 18 Oct, 2026Schools select exam date from available windows
Archived 14 Aug 2026
🏅Level 1 Exam - Date Option 1
Wed, 14 Oct, 2026October 14, 2026 - First exam date slot (schools choose one of three dates)
Archived 23 Aug 2026
🏅IOS Level 1 Exam Date Option 1
Thu, 8 Oct, 2026First available exam date (October 8, 2026); schools select one date
Archived 25 Jul 2026
Level 2 results and awards ceremony
Mon, 28 Sept, 2026Final results with recognition for medal winners and high achievers
Archived 5 Jul 2026
IOS 2025-26 Level 2 result announcement
Tue, 8 Sept, 2026Expected in March 2026
Archived 14 Aug 2026
Registration deadline for IOS 2026-27
Mon, 31 Aug, 2026Schools must complete student registration through silverzone.org by this date
Archived 25 Jul 2026
Registration deadline for schools
Mon, 31 Aug, 2026Last date for schools to register students for IOS 2026-27
Archived 23 Aug 2026
IOS 2026-27 registration deadline
Mon, 31 Aug, 2026School-based registration closes August 31, 2026
Archived 14 Aug 2026
🏅Level 2 exam date (tentative)
Mon, 24 Aug, 2026Second level examination for top performers from Level 1
Archived 5 Jul 2026
🏅IOS 2025-26 Level 2 exam period begins
Sun, 9 Aug, 2026For top 1000 rank holders with 50%+ marks
Archived 14 Aug 2026
IOS 2025-26 Level 1 result declared
Thu, 16 Jul, 2026Results available at silverzone.org
Archived 14 Aug 2026
Level 2 registration opens for qualified students
Mon, 22 Jun, 2026Enrollment window for students who qualified from Level 1
Archived 5 Jul 2026
Level 1 results announcement (expected)
Mon, 15 Jun, 2026Results and merit lists for all participating classes
Archived 5 Jul 2026
Level 1 answer key release (expected)
Sat, 16 May, 2026Preliminary answer keys typically released 10-14 days after exam
Archived 5 Jul 2026
🏅IOS Level 1 exam conducted
Sun, 3 May, 2026Main examination day for Science Olympiad Level 1 across participating schools
Archived 5 Jul 2026
School registration deadline (extended zones)
Sun, 26 Apr, 2026Final deadline for schools in regions with administrative extensions
Archived 5 Jul 2026
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