According to an Advance article ...
On Amboy Road, outside of Monsignor Farrell High School
On Manor Road, outside of Susan E. Wagner High School
On Marsh Avenue, outside PS 58 and Marsh Avenue Expeditionary Learning School
In addition to these new installations, speed cameras are also located at:
Goethals Road North at Jules Drive
Midland Avenue at Mason Avenue
Hylan Boulevard and Tysens Lane
Targee Street and Rome Avenue
Page Avenue at Hylan Boulevard
Forest Avenue and Richmond Avenue
https://www.silive.com/news/2018/12/new-speed-cameras-on-staten-island-here-are-the-locations.html?fbclid=IwAR22ZEXvA77UNko3oPAMnPVbzL7Hp21eo5MhHpXJoxx27LZBPcYOImPwHeU