A Herricks High School senior was one of two students selected to represent New York at Girls Nation, an annual civics training program organized by the American Legion Auxiliary.

Samantha Aloysius, 17, participated in the weeklong summer program in Washington, D.C., with 99 others from across the country. The students act as “senators” and focus on how federal legislation is introduced, considered and passed.

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Aloysius earlier participated in Girls State in Rochester, during which 371 girls created a fictional 51st state. She was elected at the end of that program as one of New York’s two representatives to Girls Nation.

“It was the craziest thing I’ve ever done,” Aloysius said of her time in the nation’s capital. “I got to meet people from parts of the country that I’ll probably never go to.”

Aloysius worked on mock legislation aimed at keeping whistleblowers from being hesitant to reveal a sexual assault. She also met Senate staffers and visited landmarks.

“The best moment was when we sat on the steps of the Lincoln Memorial and sang ‘This Land Is My Land’ and ‘You’re a Grand Old Flag,’ ” Aloysius said.

She is one of the chief editors of her school’s newspaper and yearbook, a public relations officer in National Honor Society and vice president of Student Government.