Severe learning difficulties (SLD)
Also called Severe learning difficulties. That is the name used in diagnostic manuals and on most official paperwork.
SLD is one of the need types English schools record for a child who needs support across most or all of their learning. It sits alongside MLD (moderate) and PMLD (profound and multiple).
Applies in England
English schools record a primary type of need for every child on SEN support SEN support The everyday help a school in England puts in place for a child with special educational needs. It is based on what your child needs, not on having a diagnosis. Read the full definition of SEN support or with an EHC plan EHCP A legal document, used in England, that sets out a child's needs and the support they must get. It is for children who need more help than their school can give on its own. Read the full definition of EHCP , and learning difficulties are split into three: moderate (MLD), severe (SLD) and profound and multiple (PMLD). SLD means a child is likely to need support in all areas of the curriculum, often with associated difficulties in mobility and communication. PMLD means severe and complex learning difficulties together with a physical disability or sensory impairment.
These are current, live categories on English school records, not outdated labels. They describe the level of educational support a child needs. They are not a medical diagnosis, and they say nothing about what a child can achieve with the right help.
The categories come from England's SEND SEND SEND is England's word for children who need extra help to learn. The rest of the UK uses other words, and other rules. Read the full definition of SEND system, and the other UK nations record needs differently.
Other words for this
-
You might hear educationally subnormal
Decades ago, children with these needs were labelled educationally subnormal. That term is gone from every current system and should not appear in anything written about your child today.
Related words
Where this comes from
- Special educational needs and disability code of practice: 0 to 25 years (January 2015), paragraph 6.32 , Department for Education and Department of Health. Checked 2026-08-15.
Your child doesn't need a diagnosis to get support
Start with a profile of your child. See what we find. Go from there.