<p>A few questions to understand the situation? The private tutoring center had the exact same teaching materials (the sudents' text, the teacher's text, the solutions manual and lab manual?), was this by coincidence or did they know or were told ahead of time which instructional manuals were to be used?</p>
<p>For example, DS had 1 calculus book for AP Calc AB in the fall (he's on 4x4 block) and they have a different text for AP Calc BC now, spring term. The Calc book for fall was the book the use at the major 4 year uni close by. The NEW Calc book is one that was specifically written and published solely for the AP Test. Said so right in the book's foreword and at the book publisher's website. And it covers both AP Calc AB and BC tests. At the website, the STUDENT can purchase additional materials, which includes a solutions manual to all homework problems in the book, a strategy guide for how to practice for the AP test and a book of sample tests with the answers. It is made specifically for the student's to purchase. There are also additional materials for the instructor's use, power point slides, handouts, more sample tests....</p>
<p>And if one were running a tutoring center you would be eligible to buy all of it. Son also has AP Chem, AP stats, AP Euro, AP Engli and depending on the text the school purchases these supplemental materials are available to all students and teachers.</p>
<p>The person who wrote the Calc book, re-wrote the AP Calc test for this May, that is why the school switched texts. I know the AP Bio text that is recommended by AP also has all the additional materials.</p>
<p>In the case of OP's school sounds like the tutoring center had the supplemental materials available for purchase from the publisher and it just so happened the teacher used the same sample tests. Its not hard to determine, just look inside the text and it refer you to the book's website.</p>
<p>As far as having tests viewed a ahead of time I know my DD who is a junior in college now as a science major has classes this term where both her O-chem prof and econ prof make available tests from several years ago with the correct answers to the tests. They keep them on file in their offices. So when she doesn't understand a particular problem set, she can pull up the test, show her prof and he helps explain it. I don't think her O-Chem teacher thinks he is cheating. Sometimes the questions are exactly the same, sometimes the variables are changed and sometimes it is an entirely new question.</p>
<p>But the key is the prof/teacher would take the time to generate a new test, with a new answer key and would not be just handing out tests he did not originally make nor have figured out the answers for himself. Now that would be cheating. Cheating the students out of a teacher who really knew their stuff. Especially, AP Chem, AP Physics and AP Calc.</p>
<p>Kat</p>