Every school will have some diagnosed children, and lots of undiagnosed children," says Holly Evans, an educational adviser for ADDISS.
ADDISS offers specific ADHD training for individual teachers or whole schools, and local authority behaviour support teams can also help teachers understand the condition.
Andrea Bilbow, a spokeswoman for ADDISS
, said, 'We know from brain scans that children with ADHD have physical and functional differences in their brains.
ADHD does not equal badbehaviour,'' says Liz Miller, Project Coordinator for the Liverpool branch of ADDISS
She contacted national charity ADDISS
(Attention Deficit Disorder Information & Support Service), which reassured her she wasn't alone, but she was eager to share her experiences with other parents in the North East going through the same thing.
Between 500 and 1,000 people are expected at the landmark two day event,organised by national charity ADDISS