How many years of school is required to be a psychologist?

I'm pretty sure you need 5-7 years to be a psychologist.

____________

To be a fully certified psychologist, you should expect to complete:

1) Four years undergraduate university/college training

2) Two years masters degree

3) Three to five years PhD

4) Successfull passing of certification exams

Sometimes people can get psychologist positions with only a masters degree, but it is becoming uncommon.