| Percentage (%) | Grade | Description | Grade Point |
| 90 to 100 | A+ | Outstanding | 4.0 |
| 80 to below 90 | A | Excellent | 3.6 |
| 70 to below 80 | B+ | Very Good | 3.2 |
| 60 to below 70 | B | Good | 2.8 |
| 50 to below 60 | C+ | Satisfactory | 2.4 |
| 40 to below 50 | C | Acceptable | 2.0 |
| 35 and above | D | Basic | 1.6 |
| Below 35 | Non-graded | Unclassified |
National Examination Board (NEB) held the grade 12 examinations from Baisakh 14, 2083 to Baisakh 27, 2083. The result was published on Asadh 05, 2083.
The National Examination Board (NEB) conducted the Grade 12 exams, with 418,170 students. The board reported an overall pass percentage of 64.13%.
Falgun 05, 2082: Grade 12 2083 Exam Routine Published
Baisakh 14, 2083: Grade 12 Exam 2083 Starts
Baisakh 27, 2083: Grade 12 Exam 2083 Ends
Ashadh 05, 2083: Grade 12 2083 Results Publication