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NEB Letter Grading Explained: Grades, Grade Points and How GPA Is Calculated

A clear walkthrough of Nepal's letter grading scale, from A+ to NG, and how a credit-hour weighted GPA is worked out, with a step-by-step example.

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Nepal's schools now report results as letter grades and a Grade Point Average (GPA) instead of raw marks. The idea is to describe what a student has actually learned rather than rank students by a few marks. Here is how the system works and how GPA is calculated.

The grading scale

Each subject's percentage is converted to a letter grade and a grade point:

PercentageGradeGrade pointDescription
90–100A+4.0Outstanding
80–89A3.6Excellent
70–79B+3.2Very good
60–69B2.8Good
50–59C+2.4Satisfactory
40–49C2.0Acceptable
35–39D1.6Basic
Below 35NG–Not graded

NG means the student has not yet reached the minimum level in that subject. Schools can flag these students for remedial support and a grade improvement exam.

How GPA is calculated

GPA is not a simple average of grade points. Subjects with more teaching time count for more, so each grade point is weighted by the subject's credit hours:

GPA = (sum of grade point × credit hours for every subject) ÷ (total credit hours)

A worked example

The credit hours below are for illustration only; use the ones in your class's curriculum.

SubjectCredit hoursGradeGrade pointWeighted
English4A3.614.4
Nepali4B+3.212.8
Mathematics5A+4.020.0
Science3B2.88.4
Social Studies4A3.614.4
Total2070.0

GPA = 70.0 ÷ 20 = 3.50. A simple average of the five grade points would give 3.44: close, but wrong, and the gap grows as credit hours differ more between subjects.

How it differs by class

  • Classes 1–5: no formal written exams. Teachers assess learning continuously through classwork, participation, projects and observation, and the letter grade comes from those records.
  • Classes 6–8: internal evaluation (participation, projects, practical work and trimester tests) counts for 50 marks, and the external exam for the other 50.
  • Classes 9–12: terminal and final exams with letter grade conversion, and marksheets in the standard NEB format.

Common mistakes to avoid

  1. Averaging grade points without credit hours.
  2. Rounding percentages up before converting them to grades.
  3. Using last year's credit hours after the curriculum changes.
  4. Calculating by hand for hundreds of students, where a single typing error changes a GPA.

Let the system do the arithmetic

In AEIMS, teachers enter marks (from the app or the web), and the system converts them to grades, applies credit hours and produces CDC-format grade sheets automatically. Parents see grades and GPA in the app as soon as results are published.

See how it works in a live demo, or read more about our examination features.

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