Calum Geary, who is deaf, and his twin brother Donnacha, who has regular hearing. Their father Andrew says Calum has benefited hugely from having an  interpreter in his class since last year. Photograph: Daragh McSweeney/Provision

Soon after Calum Geary was born, doctors realised there was a problem: he didn’t have the vital auditory nerves that transmit sound information from h(...)

Sarah Broderick (9) and her brother Daniel (6) are both profoundly deaf. Rachel, their mother, says: “Deaf children are succeeding more and more, because it’s more accepted that their education needs are different, and that’s not a bad thing.”

When Genevieve was diagnosed profoundly deaf at the age of two, her mother was consumed with worry. “This was a new experience for me,” she says. “ I(...)