NBSE HSLC Grading System 2025: Check Marking System, Exam Pattern, CGPA and Percentage Calculator

Roumik Roy

Updated on - Mar 17, 2025

The Nagaland Board of Secondary Education (NBSE) follows a nine-point grading system ranging from A1 to E1. The NBSE HSLC examination is conducted in 100 marks and one needs to score a minimum of 33% in both theory and practical exams separately.

The theory papers are conducted in 80 marks, whereas practical papers are conducted in 20 marks. The examination is conducted in 5 main subjects: English (1st language ), 2nd language( Ao, Tenyidie, Sumi, Lotha, Bengali, Hindi, or Alternative English), Social Science, Science, and Mathematics along with one additional subject.

A student must understand the NBSE HSLC grading system before they appear for their examination. This blog has everything covered regarding NBSE HSLC Passing Marks, Grading System, Revaluation  Supplementary Exams, and Preparation Tips. 

Read More: NBSE HSLC Supplementary Results

NBSE HSLC Grading System 2025

The NBSE HSLC follows a nine-point grading system. The grading system ranges from A1 to E1. ‘A1’ is the highest grade, whereas ‘E1’ is the lowest. To pass the examination, one needs to score a minimum grade of ‘D’ in all subjects. The marks along with grades will be shown in the marksheet. The below table has a detailed structure on how grades are distributed among students.

Percentage of Examinees Grade Performance Description
Top 2% A1 Truly Outstanding
Next 8% A2 Outstanding
Next 12% B1 Excellent
Next 18% B2 Very Good
Next 25% C1 Good
Next 23% C2 Above Average
Next 12% D Average
Remaining E1 Needs Improvement
Remaining E2 Needs Improvement

Read More: NBSE HSLC Results

NBSE HSLC Passing Marks 2025

The NBSE HSLC Examination will be held in 5 major subjects: English (1st language ), 2nd language( Ao, Tenyidie, Sumi, Lotha, Bengali, Hindi, or Alternative English)i, Social Science, Science, and Mathematics along with one additional subject. The additional subjects include bookkeeping,  Accountancy, Environmental Education, Home Science, Foundation of Information Technology (FIT), and Music.  Students need to choose one from the given subjects.

One needs to score a minimum of 33% in each subject both in theory and practical examination. To pass a subject, a student needs to score a minimum of 26.4 marks out of 80 in the theory exam and 6.6 marks out of 20 in internal assessments, totaling 33 marks.

Subject Theory Exam (80 Marks) Internal Assessment (20 Marks) Total Passing Marks (33%)
First Language (English) 26.4 6.6 33
Second Language 26.4 6.6 33
Mathematics 26.4 6.6 33
Science 26.4 6.6 33
Social Science 26.4 6.6 33

Read More: NBSE HSLC Passing Marks

NBSE Revaluation and Supplementary Examination 2025

NBSE allows their students to reappear for examinations if they are dissatisfied with their results. Students need to apply for the revaluation exam in an online mode. One needs to send an email to the Nagaland board in order to apply for a revaluation exam. A payment of Rs 500 needs to be made per subject for the scrutiny process. The scrutiny process is held in the month of May.

It is mandatory for all students to score a minimum of 33% across all subjects to pass the examination. Those who can't score the minimum marks in one or two subjects have to appear for the compartmental exams that are tentatively held in the month of June. The admit card and date sheet of the supplementary exams are released online. So it is recommended to visit the website often.

Read More: NBSE HSLC Supplementary Exam

NBSE HSLC Exam Preparation Tips

The Class 10 examination is a major milestone in a student's academic life. The marks obtained in this examination can help determine your desired subjects for Classes 11-12, which will further help you to choose subjects for higher studies.

  • One must prepare well before appearing for the NBSE HSLC exam. Below are a few tips to follow:
  • Understand the syllabus— Check the entire syllabus, identify the subjects you underscore, make notes, and dedicate more time by practicing them. This will help you clear your doubts and have clarity.
  • Practice sample question papers—solving papers from previous years—give an idea of the exam pattern and types of questions that may appear for the examination. It helps one with time management.
  • Be mentally and physically fit—eat foods rich in nutrition, drink enough water, and try to stay hydrated. Engage in physical activities; try to play any sport of your choice. It's necessary to be mentally and physically active.
  • Be consistent with your routine— Schedule time for specific subjects and stick to a routine. Avoid distractions like mobile phones and laptops around during study hours.

Read More: NBSE HSLC Toppers

Conclusion

The NBSE HSLC exam is an important milestone in a student’s academic journey. To pass, students need to score at least 33% both in theory and practical examinations. The board follows a nine-point grading system, and one needs to score a minimum ‘D’ grade to qualify for the examination.

A candidate can apply for revaluation or supplementary exams if they are not satisfied with their results or couldn't achieve the minimum score. It is mandatory to do strategic preparation before the examination—understanding the overall syllabus, practicing the previous year's sample papers, maintaining a healthy routine, and staying consistent is necessary.

With proper planning and effort, students can achieve good results and confidently progress in their academic careers.

FAQs on NBSE HSLC Grading System

Q: What are the passing marks for the NBSE HSLC exam?

Q: What grading system does NBSE HSLC follow?

Q: How can students apply for revaluation of their NBSE HSLC results?

Q: When are NBSE HSLC supplementary exams conducted?

Q: Where can students check their NBSE HSLC results?

Explore Top Colleges In Nagaland VIEW ALL