From Longman Dictionary of Contemporary Englishresidential course/school etcresidential course/school etcespecially British English if you are on a residential course, you are living in the institution where you are studying → residential
Examples from the Corpus
residential course/school etc• They joined the six-day residential course after a careful selection process.• Casey is now in a residential school for children with emotional problems and / or learning disabilities.• As a challenge the chief of the Poltava guberniia Department of Education offered him the directorship of this residential school for war-orphans.• In fact I hear that several Outward Bound schools are offering fortnight-long residential courses on the safe removal of the fleecy top.• The money raised will pay for two outdoor residential courses, organised for college students and Fairbridge.• The residential course will be a combination of talks, demonstrations and hands-on experience.• Therefore, the concerns raised do not apply necessarily or equally to all residential schools working with such children. 