Which is the best high school in the Petrie area?

You are going to get a lot of mixed opinions on this one. As usually parents will defend the school they send their kids to regardless. I would suggest visiting the local schools, you can get a good feel for them that way. It also depends on if you are looking at state or private. Lots to consider - I personally don't feel any one of the local state high schools has a better reputation than the others. Maybe check out the naplan and OP results also?