The Tamil Nadu School Education Department has released the academic calendar for the 2026–27 academic year, detailing the number of working days, holidays, and the term-wise vacation schedule for schools across the state.
| Sl. No. | Month | Government Holiday Dates | Weekly / Vacation Holiday Dates | Total Holidays | Working Days | Cumulative Working Days | Saturday Working Day |
|---|---|---|---|---|---|---|---|
| 1 | June | 26 | 1, 3, 6, 7, 13, 14, 20, 21, 27, 28 | 12 | 18 | 18 | None |
| 2 | July | None | 4, 5, 11, 12, 18, 19, 25, 26 | 8 | 23 | 41 | None |
| 3 | August | 15, 26 | 1, 2, 8, 9, 16, 22, 23, 29, 30 | 11 | 20 | 61 | None |
| 4 | September | 4, 14 | 5, 6, 12, 13, 20, 26–30 | 12 | 18 | 79 | 19 |
| 5 | October | 2, 19, 20 | 1, 3, 4, 10, 11, 17, 18, 24, 25, 31 | 13 | 18 | 97 | None |
| 6 | November | 8 | 1, 7, 14, 15, 21, 22, 28, 29 | 9 | 21 | 118 | None |
| 7 | December | None | 5, 6, 12, 13, 20, 24–31 | 13 | 18 | 136 | 19 |
| 8 | January | 1, 15, 16, 17, 23, 26 | 2, 3, 9, 10, 24, 30, 31 | 13 | 18 | 154 | None |
| 9 | February | None | 6, 7, 13, 14, 20, 21, 27, 28 | 8 | 20 | 174 | None |
| 10 | March | 10, 26 | 6, 7, 13, 14, 20, 21, 27, 28 | 10 | 21 | 195 | None |
| 11 | April | 8, 14, 19 | 3, 4, 10, 11, 17, 18, 25–30 | 15 | 15 | 210 | 24 |
| 12 | May | None | Summer Vacation | 31 | 0 | 210 | None |
| Total | 155 | 210 | 210 | - | |||
According to the academic calendar:
- Total working days: 210
- Total holidays: 155
- Total days in the academic year: 365
Term-wise Holiday Schedule
First Term Holidays
September 26 to October 4, 2026 (9 days), following the completion of the first term on September 25, 2026.
Secondnd Term Holidays
December 24, 2026 to January 3, 2027 (11 days), after the second term concludes on December 23, 2026.
Third Term
The third term will continue until April 24, 2027, which has been designated as the last working day of the 2026–27 academic year.
Summer Vacation
The summer vacation will begin on April 25, 2027, and continue until May 31, 2027, spanning 37 days before the commencement of the next academic session.