Longman Dictionary of Contemporary English
Wiktionary
n. A school specifically made for students with disabilities or other problems that need special treatment.
Wikipedia
In the Dutch education system, particular education ("bijzonder onderwijs") refers to a separate category of education distinct from both public and private education, in which a school is administered by an independent board, as opposed to a government authority, while still receiving government funding. Particular schools are comparable to the concept of a charter school, with the additional characteristic of being grounded in a particular religious denomination or educational philosophy. Particular education is not to be confused with " speciaal onderwijs", which refers to schools specialized to deal with physical and/or learning disabilities.