The elementary schools are primarily Bangor residents. The surrounding towns have schools for K-8. There are some area towns who send their hifgh school students to Bangor. Let me know where you are looking to move and I can tell you what school districe you'll be in. Here are a couple of sites you might find helpful.
If you have any questions, I'd be happy to help.
ERA Dawson Bradford
417 Main St., Bangor, ME 04401
C - 207-735-6988 F - 207-941-9866