Complex sentence: In 1902, Sleaford and Kesteven High School for Girls was established in the architect Charles Kirk's old house on Southgate by a group of local businessmen; managed by a board of nine directors, it was run as a limited company.
Split into simpler sentences: In 1902, Sleaford and Kesteven High School for Girls was established in the architect Charles Kirk's old house on Southgate by a group of local businessmen. Managed by a board of directors, it was run as a limited company.