Course Information

This workshop provides a very basic introduction to the development and uses of assessment sales ratio studies based upon the IAAO Standards on Ratio Studies: January, 2007. The workshop covers the topics of sales analysis, sampling, and the development of assessment ratio studies. The workshop also covers managerial and technical issues, which include staffing, timing of studies, use of study results, statistical testing and assessment regressivity and progressivity.

Students attending this course are required to have a webcam on during the class to receive attendance credit.

This live online offering is sponsored by Virginia Department of Taxation + IAAO and is worth 18.5 CEUs.

Course Dates

This class begins at 8:00 AM (Eastern Time) starting on August 25, 2025 and ends on August 27, 2025.

Instructor: Alan Dornfest, AAS, FIAAO, and Jason Frost, CAE

Exam Block

Exam Block Begins: August 28, 2025 | Exam Block Ends: September 2, 2025

To ensure a smooth examination process, please note that both a webcam and a computer meeting the system requirements for ProctorFree are essential. For detailed insights into these prerequisites for taking an IAAO proctored exam, kindly refer to the Exam Resources page and the ProctorFree technical requirements.

More information on how to access your ProctorFree account will be emailed to you when your exam becomes available on the Exam Block start date.

More Information

For additional questions or more information, including to paying by invoice, please reach out to education@iaao.org.