The MPRE measures the knowledge of the standards of professional conduct, as well as the ABA Model Rules of Professional Conduct. How to become a lawyer addition, the MPRE includes questions on procedural rules regulating the legal profession. Moreover, MPRE is designed to test the thinking skills of a practicing attorney. MPRE is a 60-question multiple-choice examination. It is a requirement for admission to bars in all but four U.S. jurisdictions. It is administered three times a year. The passing score varies from state to state.