I'm not from that area, but his link might help you out with an idea of quality. The ratings are not everything though and parents who have a good experience can tell you more about each school. It would be good to also look at schools in the nearby suburbs - you may be able to enrol your children there, depending on how they structure the intake zones.
This link is only primary schools, but you can find similar ratings for high schools via the same site. If you then do a search for the school or click on the link you might be able to find some more specific reviews. It is also good to go on sites like Essentialkids and other parenting sites and search there using keywords like forrestfield and schools. Sometimes people have discussed the exact question you want to know about. Hope it gives you a start at least.