Tamil Nadu Board Class 12 Science Important Dates 2026-27
Complete TNBSE Class 12 Science Board Exam Schedule & Key Deadlines
Academic Calendar • Board Exam Schedule • Results • Practical Exams • Competitive Exam Dates
Board Exams: March 2027
Results: May 2027
Practical Exams: February 2027
JEE/NEET: April-May 2027
Important Dates 2026-27
| Event | Date | Details |
|---|---|---|
| Academic Session Starts | June 2026 | New academic year begins for Class 12 Science |
| First Periodic Test | August 2026 | Internal assessment - Part of 20 marks |
| Half-Yearly Exams | October 2026 | First major examination |
| Second Periodic Test | November 2026 | Internal assessment - Part of 20 marks |
| Third Periodic Test | January 2027 | Internal assessment - Part of 20 marks |
| Practical Examinations | February 2027 | Physics, Chemistry, Biology practical exams |
| Pre-Board Exams | February 2027 | Mock board exams for final preparation |
| Board Examination | March 2027 | Class 12 Board examinations begin |
| Board Exam Ends | April 2027 | Board examinations conclude |
| Result Declaration | May 2027 | Class 12 board results announced |
| JEE Main Session 1 | January 2027 | JEE Main first session |
| JEE Main Session 2 | April 2027 | JEE Main second session |
| NEET Examination | May 2027 | National Eligibility cum Entrance Test |
| Supplementary Exams | June-July 2027 | For students who need to improve |
| TNEA Counseling | July-August 2027 | Tamil Nadu Engineering Admissions |
| Medical Counseling | August-September 2027 | NEET counseling for medical admissions |
Note: Dates are tentative and subject to change. Please check the official TNBSE website, NTA website, and respective exam authorities for the latest updates.
Academic Calendar 2026-27
Term 1 (June - October 2026)
- June 2026: Academic session begins
- July 2026: Syllabus coverage begins
- August 2026: First Periodic Test
- September 2026: Teachers' Day celebration
- October 2026: Half-Yearly Exams
- October 2026: Dussehra celebration
- October 2026: Completion of first term syllabus
Term 2 (November 2026 - April 2027)
- November 2026: Diwali Vacation
- December 2026: Second Periodic Test
- January 2027: Third Periodic Test, Pongal celebration
- February 2027: Practical Examinations
- February 2027: Pre-Board Exams
- March 2027: Board Examinations begin
- April 2027: Board Examinations conclude
Science-Specific Events
- August 2026: Science Fair
- November 2026: Science Exhibition
- December 2026: Physics/Chemistry Projects submission
- January 2027: Biology Projects submission
- February 2027: Practical Examination preparation
- March 2027: Board-style examination practice
Competitive Exam Preparation
- August-December 2026: JEE Main/NEET foundation
- January-March 2027: Intensive JEE/NEET preparation
- January 2027: JEE Main Session 1
- April 2027: JEE Main Session 2
- May 2027: NEET examination
- June 2027: JEE Advanced
- July-August 2027: TNEA counseling begins
- August-September 2027: Medical counseling (NEET)
Science Practical Examination Schedule 2026-27
| Subject | Tentative Date | Duration | Marks |
|---|---|---|---|
| Physics Practical | February 2027 (First Week) | 3 hours | 30 |
| Chemistry Practical | February 2027 (First Week) | 3 hours | 30 |
| Biology Practical | February 2027 (Second Week) | 3 hours | 30 |
Note: Practical examinations are conducted before the theory board exams. Students must complete all prescribed experiments and maintain a practical record book. Practical marks are included in the internal assessment.
Tamil Nadu Board Class 12 Board Exam Timetable 2026-27 (Tentative)
| Subject | Tentative Date | Time | Duration |
|---|---|---|---|
| Tamil | March 2027 (First Week) | 10:00 AM - 1:00 PM | 3 hours |
| English | March 2027 (First Week) | 10:00 AM - 1:00 PM | 3 hours |
| Mathematics | March 2027 (Second Week) | 10:00 AM - 1:00 PM | 3 hours |
| Physics | March 2027 (Second Week) | 10:00 AM - 1:00 PM | 3 hours |
| Chemistry | March 2027 (Third Week) | 10:00 AM - 1:00 PM | 3 hours |
| Biology | March 2027 (Third Week) | 10:00 AM - 1:00 PM | 3 hours |
Note: The board exam schedule is released by TNBSE approximately 2-3 months before the exams. Students should regularly check the official website for updates.
Competitive Exam Important Dates 2026-27
Engineering Exams
- JEE Main Session 1: January 2027
- JEE Main Session 2: April 2027
- JEE Advanced: May 2027
- TNEA: May-June 2027
- BITSAT: May-June 2027
- VITEEE: April-May 2027
- SRMJEEE: April-May 2027
- COMEDK: May 2027
Medical Exams
- NEET: May 2027
- AIIMS: May 2027
- JIPMER: June 2027
- COMEDK: May 2027
- CBSE Biology Olympiad: November 2026
- National Science Olympiad: December 2026
- Tamil Nadu NEET Counseling: August-September 2027
Important: Class 12 Science students must focus on both board exams and competitive exams simultaneously. The board exam syllabus covers most of the JEE and NEET syllabus. A balanced preparation strategy is essential for success.
Holiday List 2026-27
National & State Holidays
- Republic Day: January 26
- Independence Day: August 15
- Gandhi Jayanti: October 2
- Ambedkar Jayanti: April 14
- Pongal: January (4-day harvest festival)
- Tamil New Year: April 14
- May Day: May 1
Festival Holidays
- Diwali: October/November (3-4 days)
- Dussehra: October (Vijayadashami)
- Navratri: September/October
- Christmas: December 25
- Ramadan/Eid-ul-Fitr: April/May
- Bakrid: June/July
- Good Friday: April
Vacation Schedule
- Summer Vacation: May - June (approx. 2 months)
- Diwali Vacation: October/November (approx. 1 week)
- Pongal Vacation: January (3-4 days)
- Winter Vacation: December (approx. 1 week)
- Study Holiday: Before board exams (approx. 1-2 weeks)
Important School Events
- Parent-Teacher Meeting 1: July 2026
- Parent-Teacher Meeting 2: October 2026
- Science Fair: December 2026
- Annual Sports Day: January 2027
- Parent-Teacher Meeting 3: February 2027
- Annual Day Celebration: February-March 2027
- Board Exam Starts: March 2027
- Result Declaration: May 2027
- College Admission Season: June-August 2027
Monthly Planner for Board Exam Preparation 2026-27
April - June 2026
- April: Academic year begins
- April: Syllabus introduction and overview
- May: Summer vacation (2-3 weeks)
- June: School reopens, regular classes resume
- June: Begin systematic study of all subjects
- June: Start competitive exam preparation (JEE/NEET)
July - September 2026
- July: First Periodic Test
- July: Review test performance
- August: Independence Day celebration
- August: Complete first portion of syllabus
- September: Teachers' Day celebration
- September: Second Periodic Test preparation
- September: Complete half of JEE/NEET syllabus
October - December 2026
- October: Half-Yearly Exams
- October: Dussehra celebration
- October-November: Diwali Vacation
- November: Regular classes resume
- December: Second Periodic Test
- December: Complete entire syllabus
- December: Begin intensive revision
January - February 2027
- January: Pongal celebration
- January: Third Periodic Test
- January: Republic Day celebration
- January: JEE Main Session 1
- February: Practical Examinations
- February: Pre-Board Exams
- February: Intensive board exam revision
March 2027
- March: Board Examination - Tamil
- March: Board Examination - English
- March: Board Examination - Mathematics
- March: Board Examination - Physics
- March: Board Examination - Chemistry
- March: Board Examination - Biology
- March: Exams conclude
April - July 2027
- April: JEE Main Session 2
- May: NEET Examination
- May: Result Declaration
- May: JEE Advanced
- June: College applications begin
- July-August: TNEA Counseling
- August-September: Medical Counseling
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