Former pupils and staff are among those featured at the reunions in Portrush Playhouse, Ballymoney Rugby Club and the Lodge Hotel in Coleraine.
Have a closer look to see who you recognise reminiscing about school days.

9. RETRP
Pictured enjoying a Dalriada Class of 77 reunion held at Ballymoney Rugby Club in 2007. Photo: NIWORLD

10. RETRO
Smiling for the camera at a Dalriada Class of 77 School Reunion held at Ballymoney Rugby Club in 2007 Photo: NI WORLD

11. RETRO
LIKE OLD TIMES...The 60 year group pictured during the Coleraine High School Reunion Dinner at the Lodge Hotel in 2008 Photo: NI WORLD

12. RETRO
HOLDING BACK THE YEARS...The committee pictured during the Coleraine High School Reunion Dinner at the Lodge Hotel in 2007. Photo: NI WORLD
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