Major Johnston Foster bought the estate in 1874 and proceeded to construct a new building around the Queen Anne house, incorporating the latest architectural trends of the day.

His eldest daughter Ethel Jane Foster married Irish nobleman Lucius O'Brien, 15th Baron Inchiquin and they spent some time living at Moor Park, but chose to move to Ireland instead.

During World War II, Lancing College evacuated to Moor Park from West Sussex to escape impending air raids.

After Lancing College returned to its original site, St Margaret's School was founded at Moor Park by Miss Nugent-Thorpe of the Parents' National Education Union (PNEU), and continued until her retirement in 1962.

Our children are prepared mentally, emotionally and physically to move on with confidence to the full range of schools nationally, many on scholarships in a variety of disciplines.