Parents and activists will march this weekend in protest at the lengths some children with learning disabilities have spent waiting for education, health and care plans.
The Sheffield Sparkle charity will lead campaigners on a route through the city starting at Devonshire Green at midday on Saturday.
“We are continuing to work hard to bring about improvements in assessing, supporting and implementing the right provision for children with special educational needs and disabilities," a city council spokesperson said.
"We recognise we have not got this right in every case in the past, or currently, and we truly regret this."
“We want to reassure families that we are committed to improving outcomes for children with special educational needs and are working hard to improve services at all levels."