BERKELEY (CBS SF) — A Berkeley school for deaf children has a new K-9 staff member that is helping bring joy to a silent world.

Nan is a 2-year old retriever mix who has a special talent helping normally quiet and withdrawn children at Berkeley’s Center for Early Intervention on Deafness blossom.

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“They all clutter to her. Forget what I’m teaching about, she is the star of the show,” teacher Jessica Salaam said.

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Nan is a certified Facility Dog, trained by Canine Companions for Independence.

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The CEID center operates primarily on donations, and a donor picked up the initial cost for Nan.