Any recommendations for a good Mandarin teacher in Northern Westchester?

I actually found a listing for the Northern Westchester Chinese School which is said to give lots of different classes at Briarcliff Middle School in Briarcliff Manor, NY. It purpotedly has over 300 enrolled students and over 30 teachers. The website is no longer functioning, so I am not sure if it is still in operation, but it is certainly worth checking out. A contact email I did find is: [email protected] Please let me know if you have any success!