<p>I registered to take the Math II Subject Test on October 4. </p>
<p>Now, I want to take the SAT reasoning test on that date instead. How do I change tests on Collegeboard?</p>
<p>I registered to take the Math II Subject Test on October 4. </p>
<p>Now, I want to take the SAT reasoning test on that date instead. How do I change tests on Collegeboard?</p>
<p>Call them and ask them to make this arrangement. They'll definitely charge you, since the Reasoning test costs more than the Subject tests, so have a credit card ready next to you.</p>