Garden City High School senior Marisa Su once again proved she has award-winning thoughts about diversity.

Su, 18, took first place last month among about 250 Long Island entrants in an essay contest titled "Celebration of Suburban Diversity 2011." She also won the contest when she was a freshman.

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The contest is sponsored by Eastern Suffolk BOCES and Hofstra University's National Center for Suburban Studies.

"I wrote about how diversity on paper isn't enough," said Su, stressing the importance of having people integrate other cultures into their lives. "My friends are very diverse, and they and their parents often offer opinions I wouldn't have necessarily thought of."

Su received a $3,000 college scholarship. She was honored last month at a banquet at Crest Hollow Country Club in Westbury, along with Asia Stewart of Bay Shore High School, who placed second, and Kristin Villafuerte of W. Tresper Clarke High School in East Meadow, who placed third.

At her school Su is editor of the literary magazine, an officer of the Environmental Club and treasurer of Latin Honor Society and a member of the kickline and badminton team.