Locust Valley is a hamlet and census-designated place (CDP) located in the Town of Oyster Bay in Nassau County, on the North Shore of Long Island, in New York, United States.

The rolling hills of the North Shore of Long Island were laid down as terminal moraines by the receding glaciers of the last ice age roughly 10,000 years ago.

[2] In 1667, Captain John Underhill negotiated with the Matinecock Indians to purchase land for a settlement that he and his fellow colonists would call Buckram.

As the North Shore of Long Island grew into the Gold Coast in the early 20th century, the commercial center grew to serve the great estates that were being established in the surrounding communities of Bayville, Centre Island, Lattingtown, Mill Neck, Matinecock, Muttontown and The Brookvilles.

[3] By 1927, the wealthy Harrison Williams had established himself at his 150-acre (0.61 km2) Delano & Aldrich designed estate "Oak Point" at Bayville, on nearby Pine Island.

Weekend guests (which several times included Scott Fitzgerald, the Prince of Wales, Cecil Beaton & Winston Churchill) arriving at the Locust Valley Station were often fetched in one of his fleet of Rolls-Royce motorcars which would stop in the hamlet for last-moment provisions.

[citation needed] In the 1940s and 50s, Locust Valley was the country home of Robert A. Lovett, a partner (with Prescott Bush) in Brown Brothers Harriman Bank on Wall Street and a former United States Secretary of Defense; Elizabeth Shoumatoff, renowned portrait painter of President Franklin D. Roosevelt, and other local luminaries; and finally, Leonard Hall, The National Chairman of the Republican Party.

[citation needed] Figures ranging from the Duke of Windsor to Franklin D. Roosevelt have spent considerable time in Locust Valley.

In May 2012, three major national publications, Newsweek, The Washington Post, and U.S. News & World Report, ranked the high schools in the United States.

The following are many of the college-readiness indicators that are used: graduation rates, college acceptance rates, the number of International Baccalaureate (IB) and Advanced Placement (AP) tests taken per student, the average score on IB and AP tests; student achievement levels; SAT scores; and State assessments.

In 2008, after an extensive national search the District appointed its current Superintendent Dr. Anna Hunderfund beginning July 1.