Whether there is money from Arab countries is irrelevant. The Arabs/Palestinians living in Jerusalem pay tax at the same rate as the Jewish residents of Jerusalem and therefore deserve the same benefits. I would imagine that was one of the points the author was trying to make. Should donations from Arab countries come for privately funded schools, then good, but the children deserve schools nonetheless.
US rally shows support for ex-Marine held by Iran on spying charges (AP)
from the article: Na'ima is threatening the Jewish majority