How many people were in the census-designated place where W. Tresper Clarke High School was located as of the 2010 census?
W. Tresper Clarke High School: W. Tresper Clarke High School is a high school in Westbury (technically in Salisbury) New York, United States. Salisbury, Nassau County, New York: Salisbury is a hamlet and census-designated place (CDP) in Nassau County, New York, United States. Salisbury, Nassau County, New York:  The population was 12,093 at the 2010 census.
12,093