Belém, Restelo and Ajuda — riverside living with quick access to Cascais and central Lisbon.

Parque das Nações, Lisboa
Cascais, Lisboa
Entrecampos, Lisboa
The Restelo area has some private and bilingual schools. Families in Lisbon West also have good access to international schools along the Cascais train line (Belém station is on the Cascais line) or in central Lisbon.
Yes — Restelo in particular is a quiet, leafy residential area very popular with diplomatic and expat families. It is safe, close to the river and well connected to both Cascais and central Lisbon.
About 6km west of Rossio. The tram 15E takes roughly 25–30 minutes. By car or Uber it's 10–15 minutes outside peak hours.
Weekly school digest