CBSE Class 10th Total Marks Breakdown & Assessment Scheme

CBSE Class 10 total marks are 500 for the final percentage, even though a student taking six subjects will see marks out of 600 on the marksheet. The extra 100 marks — from an additional subject like Information Technology or AI — exist as a safety net, not a bonus. Online CBSE Tutors can help students strengthen their understanding of additional subjects, as CBSE drops your lowest-scoring subject and calculates your result from the remaining five, under what's called the Best of 5 Rule.
There's a second, more important number to know for the 2026 session: passing a subject in Class 10 no longer works the way it did until 2024–25. Since the 2025–26 academic year, you must clear the theory paper and the internal assessment separately — a strong internal score can no longer offset a weak theory paper. We cover exactly what that means below.
How the Best of 5 Rule Actually Works
At findmyguru, when parents call us confused about "500 or 600," it's almost always because a school report card lists six subject scores and the marksheet percentage doesn't match a simple average. Here's the calculation, step by step:
Step 1 — List all subjects and marks (out of 100 each):
Subject | Marks |
|---|---|
English | 92 |
Mathematics | 58 |
Science | 90 |
Social Science | 87 |
Hindi (second language) | 85 |
Information Technology (additional) | 94 |
Step 2 — Identify the lowest-scoring subject. Here, Mathematics at 58 is the lowest.
Step 3 — Drop it and keep the best five. The final five counted are IT (94), English (92), Science (90), Social Science (87), and Hindi (85).
Step 4 — Calculate the percentage.
Sum of best 5 = 94 + 92 + 90 + 87 + 85 = 448
Percentage = 448 ÷ 500 × 100 = 89.6%
Note what this means practically: Mathematics still appears on the marksheet with its 58, and Mathematics marks still matter enormously for stream selection into Class 11 (especially for Science and Commerce). The Best of 5 Rule affects your overall percentage, not which subjects colleges or schools will actually look at when deciding eligibility for specific streams. This is the point our tutors flag most often — students sometimes assume a dropped subject "doesn't count" anywhere, and that's not accurate.
Is CBSE 10th Total Marks 500 or 600? Direct Answer
If you take 5 subjects: total marks = 500. All five count toward your percentage.
If you take 6 subjects (5 compulsory + 1 additional): your marksheet shows marks out of 600, but only your best 5 subjects — 500 marks — determine your final percentage and CGPA.
English is always compulsory and always counts among the five used for calculation.
Each subject, regardless of which five are counted, typically carries 100 marks: 80 for the board theory exam and 20 for school-based internal assessment (periodic tests, portfolio, and subject enrichment activity).
CBSE Class 10 Passing Marks 2026 — What Changed
Every subject requires a minimum of 33% overall. Where this gets stricter for 2025–26 onward: you must also clear the theory paper and the internal assessment independently, not just in combination.
Component | Minimum Required |
|---|---|
Theory paper (out of 80) | 27 marks (33% rounded up) |
Internal assessment (out of 20) | 7 marks (33% rounded up) |
Combined subject total (out of 100) | 33 marks |
All three conditions must be met for every subject. Previously, a student who scored low in theory could sometimes still pass if internal marks pushed the combined total past 33%. That flexibility is gone for the current session — a weak theory score can no longer be "rescued" by strong internal marks.
What Happens If You Fail a Subject
Fail 1–2 subjects: eligible for the Compartment/Phase 2 exam, typically held in June–July.
Fail 3 or more subjects: not eligible for compartment; the student is required to repeat the full academic year (Essential Repeat).
Grace marks: CBSE may award up to 1 grace mark if a student misses the 33% threshold by a very small margin — this is discretionary, not guaranteed.
For 2025–26, CBSE also introduced a two-phase exam structure for Class 10: Phase 1 (main exam) in February–March, and Phase 2 (improvement exam) in May. This gives students a formal, built-in opportunity to improve subject scores without waiting for the following year — different from the older single-attempt-plus-compartment model.
CGPA: How It's Calculated From the Best 5
CBSE also issues a CGPA alongside the percentage. It's calculated the same way — using grade points from your best five subjects.
Example: if your five counted subjects earn grade points of 9, 8, 10, 7, and 9:
CGPA = (9 + 8 + 10 + 7 + 9) ÷ 5 = 8.6
To convert CGPA to an approximate percentage: CGPA × 9.5.
Struggling with a specific subject or unsure if your child will clear the new separate theory/internal threshold? findmyguru connects families with expert CBSE Class 10 tutors who work subject-by-subject on exactly where marks are being lost. Browse tutors across other boards and subjects on our full platform.
Frequently Asked Questions

About the Author
Akanksha Guntuku
Operations & Human Resources Manager
Akanksha Guntuku leads HR and Operations at FindMyGuru, where she works closely with tutors, students, and internal teams to keep the platform running smoothly. Her background in people operations gives her a practical view into what students and parents actually need when choosing the right guidance insight she brings into FindMyGuru's career-guidance and student-support content.