A proclamation was read aloud at the meeting and approved to honor Sandlund, who was elected to the seat last year by her classmates. She has been serving since last summer, which is when her term started.
Katonah-Lewisboro's student trustee has a term lasting for a single school year.
Sandlund, who will be graduating later this month and plans to attend Georgetown University this fall, will serve at her last board meeting on June 18.
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