Check out their Web site, New York Sailing School
. It makes some interesting points about choosing a school.
Like how having Real rocks just outside the harbor is a good motivator in learning to read a chart.
If you're coming in from midtown, the New Haven branch of MetroNorth will get you to New Rochelle in a half hour, thence a short taxi ride or a longish walk to the Echo Bay Municipal Harbor. By car it's a short hop up the New England Thruway.
Teaching fleet uses Sonars, a class racer that's fast and responsive. The Master's course combines ASA 101 and 105 (coastal nav) and it's a good preparatory for most everything. After a while away from sailing, I took a "refresher" program a decade ago that they tailored for me.
Call right away; season may be closing now!