| 2025-2026 | Public holidays / Lesson-free days | |
| First day of school | 11th September 2025 | |
| Greek National Day | 28th October 2025 | |
| Saint Minas' Day (Patron Saint of Heraklion) | 11th November 2025 | |
| Anniversary of the Athens Polytechnic Uprising | 17th November 2025 | |
| Christmas Holidays | 24th December 2025 to 7th January 2026 | |
| Beginning of Lent / Ash Monday | 23rd February 2026 | |
| Greek Independence Day | 25th March 2026 | |
| Easter Holidays | 5th April 2025 to 19th April 2026 | |
| Labour Day | 1st May 2026 | |
| Holy Spirit Day | 1st June 2026 | |