The Tamil Nadu School Education Department has officially released the academic calendar for the 2025–26 school year, detailing exam schedules, holidays, and new learning initiatives for students across the state.
Tamil Nadu Class 1 to 12: Key Exam & Holiday Dates
Students and parents now have clarity on the academic year ahead, with the department publishing the following important dates:
| Dates | Exams/Vacation |
| 16-07-2025 to 18-07-2025 | First Mid-Term Exam |
| From 18-09-2025 | First Term / Quarterly Exam Begins |
| 29-09-2025 to 03-10-2025 | Quarterly Exam Holidays |
| 06-10-2025 | Second Term Begins |
| 11-11-2025 to 13-11-2025 | Second Mid-Term Exam |
| 15-12-2025 to 23-12-2025 |
Second Term / Half-Yearly Exam Begins |
| 24-12-2025 to 02-01-2026 | Second Term / Half-Yearly Exam Holidays Begin |
| 05-01-2026 | Third Term Begins |
| 08-01-2026 to 21-01-2026 | First Revision Exam (Class 10-12) |
| 27-01-2026 to 04-02-2026 | Second Revision Exam (Class 10-12) |
| 17-02-2026 to 19-02-2026 | Third Mid-Term Exam (for Classes 1 to 9) |
| 10-04-2026 | Annual Exam Begins |
| 24-04-2026 |
Final Working Day of the 2025-2026 Academic Year |
| 25-04-2026 | Summer Vacation Begins |
New Curriculum & Co-Curricular Enhancements
Alongside the exam calendar, the department has also introduced several educational reforms aimed at holistic development: Two sports classes per week will be made compulsory in all schools. “Easy English” and “Fun with Maths” will be newly introduced for students from Classes 1 to 5.
Moral instruction classes will also be included in the timetable. Students will receive exposure to a range of extracurricular activities, including: Higher education guidance, Health and environment clubs, Singing and dance sessions.
Working Days & Weekly Schedule
The total number of working days for the academic year is 210, with all Saturdays and Sundays declared as holidays.
