It's the year when you made computer games, began thinking seriously about future careers and learned plenty of life skills.
Year 12 is the next academic year to get our retro attention.
Here are 9 photos from the Sunderland Echo archives and they span scenes from St Aidan's, St Anthony's, St Robert of Newminster, Durham High School for Girls and St Leonard's.
Your next task is to browse through it all and then get in touch with your own memories.
1. So many Year 12 scenes. See if they bring back happy memories for you.
So many Year 12 scenes. See if they bring back happy memories for you.
2. Head of year 12 at St Aidans School John Pickering had his leg waxed for Comic Relief in 2009.
Head of year 12 at St Aidans School John Pickering had his leg waxed for Comic Relief in 2009.
3. Deputy Subject Leader, Kate Brown and Deputy Head Teacher, Maria Burns was with Year 12 pupils from St Anthony's school in 2014. They did so well to raise money from selling hand made poppies.
Deputy Subject Leader, Kate Brown and Deputy Head Teacher, Maria Burns was with Year 12 pupils from St Anthony's school in 2014. They did so well to raise money from selling hand made poppies.
4. These students at St Robert of Newminster School designed their own computer game in 2008.
These students at St Robert of Newminster School designed their own computer game in 2008.