While I'm now far away in both time and distance, back in 1968-72 I used to be a math teacher at the Polytechnic Preparatory Country Day School in Bay Ridge, Brooklyn, and being a railfan myself and a number of students who were interested they formed a railroad club which I wound up being the faculty liaison for the club. One of the suudents' gransfathers had a layout which he donated and was put into a rear alcove of my homeroom and plans were made for expansion.
We also had trips on tains as well, the most memorable being a trip to Philadelphia on the (by then RDC-equipped) "Crusader" (Jersey Central / Reading Route) to Philadelphia and back on a Metroliner, with a trolley run with both subway-surface and street running in between. Between school and Newark of course we had the usual subway run and the PATH train as well, and subway back from Penn Station. There were about 20 students, as I recall, and another teacher accompanied as well.
Coincidently, during the same era I was actually a graduate student going for a Masters Degree in Civil Engineering at Polytechnic Institure of Brooklyn (now Polytechnic University of New York) which had past roots with Poly Prep. And there I was a student at the Poly Railroad Club as well! At one time I was going to get both clubs, the high school and the University, to get together but logistics and family commitments required that I move from New York to "down under" before I was able to do so.
Since I'm now on the othe side of the world, I've lost touch of everyone in New York, but having found and looked at this thread brings back many happy memories of those years.
Best wishes to all of you!
Vytautas B. Radzivanas
Perth, Western Australia