Lake Forest High School may refer to:
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Lake Forest High School (Illinois)
Lake Forest High School, or LFHS, is a public four-year high school located in Lake Forest, Illinois, a North Shore suburb of Chicago, Illinois, in the United States. It is the only school of Lake Forest Community High School District 115, which ...
, Lake Forest, Lake County, Illinois
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Lake Forest High School (Delaware) Lake Forest High School is a public high school in an unincorporated area of Kent County with a Felton postal address. It is a part of the Lake Forest School District.
The school services Bowers, Felton, Harrington, Viola
; german: Bratsche ...
, near Felton in Kent County, Delaware
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