Yorchestra courses are held three times a year, during the school holidays at Easter, Summer and Christmas.
Christmas Course – 28th to 30th December 2025
The Christmas course runs over 3 days and is held at the Jack Lyons Concert Hall, University of York:
| Day 1 | Day 2 | Day 3 | |
| Young Strings/Wind (10am – 12.30pm) | ✓ | ✓ | |
| Primo (10am – 3.45pm) | ✓ | ||
| Mezzo (10am – 3.45pm) | ✓ | ✓ (7pm concert) | |
| Maestro (10am – 4pm) | ✓ | ✓ | ✓ (7pm concert) |
Easter Course – 8th to 10th April 2026
The Easter course runs over 3 days and is held at Archbishop Holgate’s School:
| Day 1 | Day 2 | Day 3 | |
| Young Strings/Wind (10am – 12.30pm) | ✓ | ✓ | |
| Primo (10am – 3.45pm) | ✓ | ||
| Mezzo (10am – 3.45pm) | ✓ | ✓ |
Because Maestro tends to be made up of players in exam years, no Maestro course runs during the Easter holidays as most students are in the middle of preparing for external examinations.
Summer Course – 24th to 27th August 2026
The Summer course runs over 4 days and is held at the Jack Lyons Concert Hall, University of York:
| Day 1 | Day 2 | Day 3 | Day 4 | |
| Young Strings/Wind (10am – 12.30pm) | ✓ | ✓ | ||
| Primo (10am – 3.45pm) | ✓ | |||
| Mezzo (10am – 3.45pm) | ✓ | ✓ | ✓ (7pm concert) | |
| Maestro (10am – 4pm) | ✓ | ✓ | ✓ | ✓ (7pm concert) |