If you're talking about Preventorium near Howell High School and Farmingdale, NJ I think it was named after the Preventorium, which was a facility for kids who were exposed to TB but not sick. If one of your parents got sick you would be sent to the Preventorium. Supposedly it is still part of the Howell municipal complex.
Yeah, that's the one.
I keep thinking I'm going here: