Tamil Nadu SSLC Grading and Marking Scheme 2027 explains how the Directorate of Government Examinations, Tamil Nadu evaluates Class 10 students, covering the A1 to E grade system, subject-wise passing marks, and the theory-practical split for Science. This guide breaks down the Tamil Nadu 10th Grading System, passing criteria, marks distribution, exam pattern, and question paper pattern students need before appearing for their exams. For subject-wise topics, refer to the Tamil Nadu SSLC Syllabus.
Before getting into the detailed breakdown, here's a quick snapshot of the Tamil Nadu SSLC Grading and Marking Scheme 2027, covering total marks, passing criteria, grading scale, and the official conducting body.
| Particulars | Details |
| Exam Name | Tamil Nadu SSLC (Class 10) Board Exam 2027 |
| Conducting Body | Directorate of Government Examinations (DGE), Tamil Nadu |
| Official Website | dge.tn.gov.in |
| Total Core Subjects | 5 (plus 1 optional language) |
| Total Marks (Core Subjects) | 500 |
| Marks per Subject | 100 |
| Passing Marks | 35 out of 100 (subject-wise) |
| Grading Scale | A1 to E |
| Exam Duration | 2 hours 30 minutes + 15 minutes reading time |
| Mode of Exam | Offline (Pen and Paper) |
| Negative Marking | None |
Tamil Nadu SSLC Exam Pattern uses a standard marks-to-grades scale ranging from A1 to E based on a student's performance out of 100 marks per subject.
The table below shows the complete Tamil Nadu 10th Grading System scale with corresponding marks ranges.
| Marks Range | Grade |
| 91 – 100 | A1 |
| 81 – 90 | A2 |
| 71 – 80 | B1 |
| 61 – 70 | B2 |
| 51 – 60 | C1 |
| 41 – 50 | C2 |
| 35 – 40 | D (Pass) |
| 0 – 34 | E (Fail) |
Tamil Nadu SSLC Passing Marks and requirements vary slightly for Science compared to other core subjects:
Core Subjects: Students must score a minimum of 35 marks out of 100 in each compulsory subject (Tamil, English, Mathematics, and Social Science).
Science Subject: Requires clearing theory and practical components separately — at least 20 marks out of 75 in theory and 15 marks out of 25 in practicals, totaling a minimum of 35 marks.
Optional Language (Part IV): Carries 100 marks, but minimum passing marks are not officially prescribed, and these scores do not count toward the final pass/fail result declaration.
To pass the Tamil Nadu SSLC Examination 2027, students must clear the minimum threshold in each of the compulsory subjects listed above.
The table below breaks down the Tamil Nadu SSLC Marks Distribution across all subjects, including the theory-practical split for Science.
| Subject | Theory Marks | Practical / Internal Marks | Total Marks | Passing Requirement |
| Tamil (Part I) | 100 | — | 100 | 35 marks |
| English (Part II) | 100 | — | 100 | 35 marks |
| Mathematics (Part III) | 100 | — | 100 | 35 marks |
| Science (Part III) | 75 | 25 | 100 | Min. 20 (Theory) + 15 (Practical) |
| Social Science (Part III) | 100 | — | 100 | 35 marks |
| Optional Language (Part IV) | 100 | — | 100 | Not prescribed (not counted for main result) |
The total maximum marks across the five core subjects is 500, evaluated by the Directorate of Government Examinations, Tamil Nadu.
Tamil Nadu SSLC Marking Scheme assigns 100 marks to each core subject, totaling 500 marks for the five main subjects:
Tamil (Part I): 100 marks for theory (no practicals).
English (Part II): 100 marks for theory (no practicals).
Mathematics (Part III): 100 marks for theory (no practicals).
Social Science (Part III): 100 marks for theory covering History, Geography, Civics, and Economics.
Science (Part III): 100 total marks, divided into 75 marks for theory and 25 marks for practicals.
Optional Language (Part IV): 100 marks, but these scores are not counted in the final main result calculation.
Directorate of Government Examinations, Tamil Nadu sets the Tamil Nadu SSLC (Class 10) exam pattern 2027 with each major subject carrying a maximum of 100 marks, across five core subjects totaling 500 marks, plus an optional language.
Part I (Tamil): 100 marks (Theory)
Part II (English): 100 marks (Theory)
Part III (Core Subjects):
Mathematics: 100 marks (Theory)
Social Science: 100 marks (Theory covering History, Geography, Civics, and Economics)
Science: 100 marks divided into 75 Theory + 25 Practical
Part IV (Optional Language): 100 marks (Theory; not counted for final percentage calculation)
Writing Time: 2 hours and 30 minutes per paper.
Extra Time: An additional 15 minutes is provided to read and review the question paper.
Mode: Offline (pen-and-paper).
For a complete breakdown, refer to the Tamil Nadu SSLC Exam Pattern page.
The table below highlights the key features of the Tamil Nadu SSLC Question Paper Pattern for 2027.
| Feature | Details |
| Total Marks per Subject | 100 |
| Total Marks (5 Core Subjects) | 500 |
| Exam Duration | 2 hours 30 minutes |
| Reading Time | 15 minutes (extra) |
| Question Types | MCQs/objective, short answers, long descriptive answers |
| Negative Marking | None |
| Mode | Offline (pen-and-paper) |
To summarize the core passing rules under the Tamil Nadu SSLC Grading and Marking Scheme:
General Subjects: Minimum of 35 marks out of 100 in Tamil, English, Mathematics, and Social Science.
Science Subject: Minimum of 20 out of 75 in theory and 15 out of 25 in practicals, totaling at least 35 marks.
Optional Language: No prescribed minimum; marks are excluded from the final result calculation.
Students preparing for the exam can check the Tamil Nadu SSLC Time Table 2027 to plan their revision schedule around exam dates.
For the latest updates, notifications, exam dates, hall ticket releases, and result announcements related to Tamil Nadu SSLC 2027, students should regularly check the Tamil Nadu Board 10th SSLC 2027 page. This page is updated regularly with official announcements from the Directorate of Government Examinations, Tamil Nadu, so bookmarking it can help students stay ahead of any changes to the Tamil Nadu SSLC Grading and Marking Scheme 2027.
