How legimate is Barron's SAT practice test score?

Test Preparation SAT Preparation
1

<p>I've given a practice test of barron's and it was much harder. Scored 2180-2250 range. Is it bad? I know nothing about it.....................</p>

2

<p>It’s my understanding that test prep books not written by the College Board are harder than the actual test. That way, when you take the actual test and do 150 points better than your practices, they can keep their promise of improving your score.</p>

3

<p>Only use College Board exams for the purpose of determining your current SAT score.</p>