Exhibit 23.2
Consent of Independent Registered Public Accounting Firm
We consent
to the incorporation by reference in the Registration Statement on
Form S-8, pertaining to the registration of 4,000,000 shares of PAREXEL International Corporation
common stock, of our reports dated August 27, 2008, with respect to the consolidated financial
statements and schedule of PAREXEL International Corporation and the effectiveness of internal
control over financial reporting of PAREXEL International Corporation, included in its Annual
Report (Form 10-K) for the year ended June 30, 2008 filed with the Securities and Exchange
Commission.
/s/ Ernst
& Young LLP
Boston, Massachusetts
October 30, 2008