National Level ScienceX Olympiads
Exam Schedule
Tentative NLSO 2026 exam dates, class-wise levels, duration, mode, and subject eligibility.
NLSO Exam Schedule
National Level ScienceX Olympiads (NLSO), an initiative under the National Scientific Assessment Test (NSAT), are structured science, mathematics, knowledge, and subject-specific assessments for school students. The 2026 examination dates listed below are tentative. Schools may choose any one available date where two date options are provided.
Class-wise Levels
| Level | Classes |
|---|---|
| Level 1 | Classes 4 and 5 |
| Level 2 | Classes 6 to 8 |
| Level 3 | Classes 9 and 10 |
| Level 4 | Classes 11 and 12 |
Tentative 2026 Exam Dates
| Examination | Applicable Level | Date 1 | Date 2 | Time Slot |
|---|---|---|---|---|
| ScienceX Olympiad (SO) | Levels 1, 2, 3 | Wednesday, 07 October 2026 | Wednesday, 25 November 2026 | 10:00 am to 11:30 am |
| Math Olympiad (MO) | Levels 1, 2, 3, 4 | Thursday, 08 October 2026 | Thursday, 26 November 2026 | 10:00 am to 11:30 am |
| General Knowledge & Intelligence Olympiad (GKIO) | Levels 1, 2, 3 | Friday, 09 October 2026 | Friday, 27 November 2026 | 09:00 am to 10:30 am |
| ScienceX Physics Olympiad (SPO) | Level 4 | Friday, 09 October 2026 | Friday, 27 November 2026 | 09:00 am to 10:30 am |
| ScienceX Chemistry Olympiad (SCO) | Level 4 | Friday, 09 October 2026 | Friday, 27 November 2026 | 11:30 am to 01:00 pm |
| ScienceX Biology Olympiad (SBO) | Level 4 | Wednesday, 07 October 2026 | Wednesday, 25 November 2026 | 10:00 am to 11:30 am |
Dates are tentative and should be confirmed from the latest official notice before final planning.
Mode of Examination
The examination mode is offline at the participating school.
Duration
- Classes 4 and 5: 60 minutes
- Classes 6 to 12: 90 minutes
Eligibility
| Examination | Applicable Level | Eligible Classes |
|---|---|---|
| ScienceX Olympiad (SO) | Levels 1, 2, 3 | Classes 4 to 10 |
| Math Olympiad (MO) | Levels 1, 2, 3, 4 | Classes 4 to 12 |
| General Knowledge & Intelligence Olympiad (GKIO) | Levels 1, 2, 3 | Classes 4 to 10 |
| ScienceX Physics Olympiad (SPO) | Level 4 | Classes 11 and 12 |
| ScienceX Chemistry Olympiad (SCO) | Level 4 | Classes 11 and 12 |
| ScienceX Biology Olympiad (SBO) | Level 4 | Classes 11 and 12 |
Level of Question Paper
The syllabus for each level and subject is specified on the ScienceX Olympiads website. Schools and students should refer to the latest syllabus before preparation.
Language of Question Paper
The question paper will be in English.
Question Paper Pattern
- Classes 4 and 5: 40 multiple-choice questions
- Other classes: 50 multiple-choice questions
- Each question will have one correct alternative.
- Each correct answer carries +3 marks.
- Each incorrect answer carries a penalty of -1 mark.
- Total marks will be 120 for Classes 4 and 5 and 150 for other classes.
Registration
- October Examination: Last date for school registration, student upload and fee payment is 20 August 2026.
- November Examination: Last date for school registration, student upload and fee payment is 15 September 2026.
- Schools may choose to participate in either the October Examination, the November Examination, or both examination windows, subject to the applicable registration deadlines.
- Registration can be completed through the online registration portal or by submitting the offline registration form in accordance with the official registration instructions.
Registration Fee
The registration fee is ₹220 per student per Olympiad. Schools should refer to the official payment instructions for available payment modes.