It’s a shot of some former students at The High School of Music & Art on Halloween in 1981. As some of you know, Music & Art merged together with The High School of Performing Arts in 1984 to create the Fiorello H. LaGuardia High School of Music & Art and Performing Arts.
I graduated from LaGuardia in 2004.
Halloween is a pretty big celebration at LaGuardia, and I get the sense from the photo above that it was probably the same case at The High School of Music & Art in 1981. Neat.