Complex sentence: Castledare Boys' Home was a residential college in Wilson, Western Australia owned and operated by the Congregation of Christian Brothers from 1929 to 1983 and established for the treatment and training of intellectually handicapped children.
Split into simpler sentences: Castledare Boys' Home was a residential college in Wilson, Western Australia owned and operated by the Congregation of Christian Brothers from 1929 to 1983. It was originally established for the treatment and training of intellectually handicapped children.