NSO Cut off 2025-26- SOF (Science Olympiad Foundation) has released the NSO 2025 cut off marks on the official website- www.sofworld.org. NSO cut off 2025-26 marks is the minimum requirement to get shortlisted for SOF Science Olympiad 2025 level 2 exam. SOF will declare the NSO result, immediately after the release of NSO cut off marks.
Exam difficulty level, number of students appeared and scholarships available are the factors that are considered to determine the NSO 2025 cut off marks. SOF will conduct the level 2 exam in February 2026. Last year’s NSO Cut off Marks for Class 3 to 12 are available. Students can also refer to the SOF NSO previous year’s cutoff to prepare for SOF Science Olympiad 2025-26. Below is the previous year’s NSO Cut off marks here-
NSO Cut Off 2025-26 – 1ST LEVEL TOP-5%
| CLASS | TOTAL MARKS | Achievers Section [M3] | Science [M2] | Logical Reasoning [M1] |
| 3 | 33 | 8 | 23 | 2 |
| 4 | 31 | 6 | 22 | 3 |
| 5 | 43 | 9 | 26 | 8 |
| 6 | 40 | 9 | 24 | 7 |
| 7 | 39 | 9 | 26 | 4 |
| 8 | 39 | 6 | 25 | 8 |
| 9 | 39 | 9 | 24 | 6 |
| 10 | 41 | 12 | 24 | 5 |
| CLASS | TOTAL MARKS | Achievers Section [M3] | Physics & Chemistry [M1] | Science (Mathematics/Biology) [M2] |
| 11 | 35 | 6 | 13 | 16 |
| 12 | 35 | 9 | 14 | 12 |
NSO Cut Off 2023-24 – 1ST LEVEL TOP-5%
| CLASS | TOTAL MARKS | ACHIEVERS SECTION [M3] | SCIENCE [M2] | LOGICAL REASONING [M1] |
| 3 | 31 | 6 | 22 | 3 |
| 4 | 30 | 6 | 20 | 4 |
| 5 | 40 | 9 | 24 | 7 |
| 6 | 40 | 9 | 21 | 10 |
| 7 | 39 | 12 | 20 | 7 |
| 8 | 37 | 6 | 26 | 5 |
| 9 | 38 | 12 | 23 | 3 |
| 10 | 40 | 12 | 22 | 6 |
| CLASS | TOTAL MARKS | ACHIEVERS SECTION [M3] | PHYSICS & CHEMISTRY [M1] | SCIENCE (MATHEMATICS/BIOLOGY) [M2] |
| 11 | 32 | 12 | 9 | 11 |
| 12 | 35 | 9 | 12 | 14 |
NSO Cutoff 2019-2020 (Level 1) for Class 3 to 10
| Class | Total Marks | Achievers section [M3] | Science [M2] | Logical reasoning [M1] |
| Class 4 | 28 | 4 | 19 | 5 |
| Class 5 | 43 | 12 | 25 | 6 |
| Class 6 | 41 | 9 | 23 | 9 |
| Class 7 | 40 | 6 | 24 | 10 |
| Class 8 | 38 | 9 | 24 | 5 |
| Class 9 | 35 | 12 | 18 | 5 |
| Class 10 | 40 | 12 | 22 | 6 |
National Science Olympiad Cutoff 2019-20 (Level 1) for Class 11 and 12
| Class | Total marks | Achievers section [M3] | Physics [M1] | Chemistry [M2] | Science (Maths/Bio) [M4] |
| Class 11 | 32 | 3 | 5 | 8 | 16 |
| Class 12 | 33 | 12 | 3 | 8 | 10 |
NSO Cut off 2018-19 (Class 3- 12)
| Class | Total Marks | Logical Reasoning [M1] | Science [M2] | Achievers Section [M3] |
| 3rd | 30 | 4 | 22 | 4 |
| 4th | 27 | 5 | 16 | 6 |
| 5th | 40 | 9 | 22 | 9 |
| 6th | 39 | 9 | 24 | 6 |
| 7th | 39 | 9 | 27 | 3 |
| 8th | 37 | 4 | 24 | 9 |
| 9th | 38 | 8 | 21 | 9 |
| 10th | 39 | 5 | 19 | 15 |
National Science Olympiad Cutoff 2018 (level 1) for Class 11 and 12
| Class | Total Marks | Physics [M1] | Chemistry [M2] | Achievers section [M3] | Science (Math/Bio) [M4] |
| 11th | 30 | 7 | 5 | 9 | 9 |
| 12th | 33 | 5 | 7 | 9 | 12 |
NSO Cut Off 2017-18 (Class 3- 10)
| Class | Total Marks | M1 | M2 | M3 |
| 3rd | 29 | 5 | 16 | 8 |
| 4th | 27 | 4 | 17 | 6 |
| 5th | 36 | 4 | 20 | 12 |
| 6th | 35 | 8 | 18 | 9 |
| 7th | 34 | 4 | 18 | 12 |
| 8th | 36 | 6 | 21 | 9 |
| 9th | 34 | 8 | 20 | 6 |
| 10th | 35 | 7 | 19 | 9 |
National Science Olympiad Cutoff 2017 (level 1) for Class 11 and 12
| Class | Total Marks | M1 | M2 | M3 | M4 |
| 11th | 30 | 9 | 7 | 5 | 9 |
| 12th | 33 | 9 | 5 | 7 | 12 |
NSO Cut off 2025-26 Determining Factors
List of the factors that determine the final NSO cut off marks-
- NSO 2025 Difficulty Level
- Students Appeared for NSO
- Total Number of Scholarships Available
- Section-wise NSO cut off marks
NSO 2025-26 cut off marks are considered to select class-wise top 5% students for the NSO Level 2 exam. If more than one student scores the same total marks then section-wise NSO cut off marks are considered to shortlist the qualifiers.
NSO Cut off 2026- Priority of Sections
For class 1 to 10
- Achievers Sections [M3]
- Science [M2]
- Logical Reasoning [M1]
For class 11 & 12
- Achievers Sections [M3]
- Physics [M1]
- Chemistry [M2]
- Logical Reasoning [M4]
Other Related Links
| SOF Answer Keys | SOF Results | SOF Cut offs |
| IMO Answer Key | IMO Result | IMO Cut off |
| ICO Answer Key | IGKO Result | – |
| NSO Answer Key | IEO Result | IEO Cut Off |
| – | NCO Result | – |
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