Choosing a SAT/ACT Tutor

Can you tell me about your education, background and certifications?
Don't forget to consider the less quantifiable. You must feel comfortable with this person- a PHD doesn't guarantee they'll be successful in tutoring you.
What is your specialty?
Do you offer any score based guarantees?
Some tutors offer a money back guarantee if test scores don't improve by as much as 200 points. Be sure you understand the guarantee. Most have requirements regarding practice tests, homework assignments, etc..
Where will the tutoring take place?
Can you share success stories?
What were your SAT scores?
Some tutoring companies only hire tutors who themselves scored in the 90th percentile on the SAT. They require that their tutors take a sample SAT as part of the employment screening. Why not ask the question.
How do you charge for your services?
What is your policy regarding cancellation and make up sessions?
How long are the sessions and how often should we meet?