Silverzone iIO 2026-27 (International Computer Science Olympiad) is conducted by SilverZone Foundation for students of Class 1 to 12. The exam is held on 4 dates: Exam date – 24 September 2026 (held); Exam date – 22 October 2026 (held); Exam date – 25 November 2026; Online exam – 7 November 2026. The next one is on 25 November 2026. Registration is open till 31 October 2026. It is also called International Informatics Olympiad or International Computer Science Olympiad (iCSO).
Silverzone iIO 2026-27
This page covers Silverzone iIO 2026-27 dates, how to apply, eligibility, the exam pattern, awards and official links.
| Full name | International Computer Science Olympiad |
| Conducted by | SilverZone Foundation |
| Classes | 1 to 12 |
| Mode | Offline (pen-paper, objective MCQ on OMR/answer sheet) at the student’s own school |
| Duration | 40 minutes (Classes 1-8); 50 minutes (Classes 9-12) |
| Language | English |
| Fee | Rs 170 (USD 8 outside the Indian subcontinent) per student per Olympiad, including GST; schools may collect an extra Rs 30 (USD 2) per student per Olympiad for coordination. No fee for specially-abled students or Indian students whose parents were martyred in defence operations. |
| Official website | silverzone.org |
Silverzone iIO 2026-27 Quick Links
Silverzone iIO 2026-27 Important Dates
SilverZone Foundation has confirmed the Silverzone iIO 2026-27 exam dates. The Result (online exam) date is to be announced. Dates were checked on 30 October 2026 against silverzone.org.
| Event | Date |
|---|---|
| Registration (through school) | 31 October 2026 |
| Exam date | 24 September 2026 (held) |
| Exam date | 22 October 2026 (held) |
| Exam date | 25 November 2026 |
| Online exam | 7 November 2026 |
| Result (online exam) | To be announced |
How to Apply for Silverzone iIO 2026-27
Registration open; last date 31 Oct 2026 (school registration form asked schools to apply by 31 Aug 2026). The fee is rs 170 (USD 8 outside the Indian subcontinent) per student per Olympiad, including GST; schools may collect an extra Rs 30 (USD 2) per student per Olympiad for coordination. No fee for specially-abled students or Indian students whose parents were martyred in defence operations.
Is the Silverzone iIO 2026-27 application form out?
Yes. Registration open; last date 31 Oct 2026 (school registration form asked schools to apply by 31 Aug 2026).
- Registration (through school)
- 31 October 2026
- Exam date
- 24 September 2026 (held)
- Exam date
- 22 October 2026 (held)
- Exam date
- 25 November 2026
Steps to Apply for Silverzone iIO 2026-27
- Students take part through their school: the school registers with SilverZone Foundation (online at school.silverzone.org or on the offline School Registration Form) and enrols its students.
- Any school can register with SilverZone Foundation as an exam centre.
- The school picks one of the three exam dates and pays the fee for all its students (online, UPI, NEFT/RTGS or DD in favour of SilverZone Foundation, New Delhi; no cash).
- School registration deadline in the form was 31 August 2026; SilverZone has extended it to 15 days before the November and December exam dates.
- Schools not yet registered can ask for the prospectus at [email protected] or 011-69114100.
Who can apply for Silverzone iIO 2026-27?
Classes 1–12.
Qualifying and selection: Single level – no Level 2 or 3. Students get Olympiad (international), zonal, state and class ranks; class toppers 1-3 get medals only with at least 50% marks.
What is the Silverzone iIO exam pattern?
Silverzone iIO has multiple-choice questions and lasts 40 minutes; 50 minutes. Mode: offline (pen-paper, objective MCQ on OMR/answer sheet) at the student’s own school. There is no negative marking. The number of questions and marks depend on the class:
| Class | Questions | Marks | Sections |
|---|---|---|---|
| 1 and 2 | 25 | 100 | Computer Science 15, Reasoning and Aptitude 5, Scholar’s Zone 5 |
| 3 to 5 | 30 | 100 | Computer Science 14, Reasoning and Aptitude 8, Scholar’s Zone 8 |
| 6 to 8 | 35 | 100 | Computer Science 20, Reasoning and Aptitude 7, Scholar’s Zone 8 |
| 9 and 10 | 40 | 100 | Information Technology 30, Reasoning and Aptitude 10 |
| 11 and 12 | 40 | 100 | Computer Fundamentals 15, Informatics Practices / Computer Science 15, Reasoning and Aptitude 10 |
Based on the computer science syllabi of CBSE, ICSE and state boards; class-wise syllabus and sample papers are on the Olympiad page
What do Silverzone iIO toppers get?
In each class, Olympiad rank 1 gets Rs 10,000, rank 2 Rs 7,500 and rank 3 Rs 5,000; ranks 4-25 get gift certificates and ranks 26-500 a Topper Achievement Certificate. Zonal and state rank 1-3 get Medals of Excellence, school class toppers 1-3 get medals (min 50%), and every participant gets a certificate and a performance report.
Silverzone iIO 2026-27 Official Notices and Links
Every date on this page comes from these official pages (30 October 2026):
- api.silverzone.org/api/result/Get_ExamDate?FYear=2026-27 – Registration (through school)
- silverzone.org/olympiadsdates – Registration (through school)
- service.silverzone.org/Files/demo/main/School_Registration_Form_2026.pdf – Exam date
- silverzone.org/Computer-Olympiad – Result (online exam)
- silverzone.org/result – Result (online exam)
Silverzone iIO 2026-27 FAQs
When is the Silverzone iIO 2026-27 exam?
Offline (school) exam date option 1: 24 Sep 2026. Offline (school) exam date option 2: 22 Oct 2026. Offline exam date option 3 (school form only; not on website dates list): 25 Nov 2026. Online exam: 07 Nov 2026.
Is Silverzone iIO 2026-27 registration open?
Registration open; last date 31 Oct 2026 (school registration form asked schools to apply by 31 Aug 2026).
Who is eligible for Silverzone iIO?
Classes 1–12.
How many questions are there in Silverzone iIO?
Class 1 and 2: 25 questions, 100 marks; Class 3 to 5: 30 questions, 100 marks; Class 6 to 8: 35 questions, 100 marks; Class 9 and 10: 40 questions, 100 marks; Class 11 and 12: 40 questions, 100 marks – 40 minutes (Classes 1-8); 50 minutes (Classes 9-12).
What is the Silverzone iIO fee?
Rs 170 (USD 8 outside the Indian subcontinent) per student per Olympiad, including GST; schools may collect an extra Rs 30 (USD 2) per student per Olympiad for coordination. No fee for specially-abled students or Indian students whose parents were martyred in defence operations.
What is the official website of Silverzone iIO?
silverzone.org