What celebrity, if any, went to Forest Hills High School in Forest Hills, New York?

It would also appear that these others attended this common school.

Forest Hills High School, educated the likes of Simon and Garfunkel, Michael Landon, Burt Bacharach, Marty Ingalls and a guy who used to be married to Carol Lynley. It's also the alma mater of two TFGers, Cynthia Fontayne and Bonnie Fernald Fontayne, which is why we're mentioning all this in the first place.

Here are more Famous Forest Hills-ians.

Burt Bacharach
Thelma Ritter
Ray Romano (his folks still live in Forest Hills)
David Caruso
Dale Carneige
Marty Ingalls
Bob Keeshan (Captain Kangaroo)
Michael Landon
Jerry Seinfield
Paul Simon
Art Garfunkel
John Sununu
Helen Keller
Joe Lewis
Carroll O'Connor
Lou Costello
Rudy Vallee
CarolChanning
The Ramones

https://en.wikipedia.org/wiki/Forest_Hills_High_School_(New_York)#Notable_alumni

Also Mark Rich, Fred Silverman and Hollywood's Leslie Urdang.

https://en.wikipedia.org/wiki/Forest_Hills_High_School_(New_York)#Notable_alumni