Students who finished their GCSEs in 1990 and A-levels in 1992, or attended around that time, are welcome.
The reunion is at the Three Acres, Bingley Road, Lees Moor, on the evening of Saturday, February 23.
Tickets, which must be booked in advance, are priced £10. Any profit will be donated to the Yorkshire Air Ambulance.
For more information and tickets, visit facebook.com/oakbank schoolreunion or e-mail dar firstname.lastname@example.org.