There are several good primary schools in and around West Ryde. Denistone East, Ermington and West Ryde public schools are all good (Ermington has an OC stream in year 5/6, which is a precursor for Selective High Schools). Friends of ours send their kids to St Michaels, and that's supposed to be good as well.
For high schools, the local state high school is Marsden High, which doesn't have a great reputation. Epping Boys and Riverside Girls are in the catchment area and within reach via public transport. St Patricks Marist at Dundas is an affordable private school with a good reputation. Ryde Secondary College and James Ruse are both Selective high schools that aren't too far away either