Power of Attorney for James F. Kessler

This filing is an exhibit, specifically a Power of Attorney (Exhibit 24.1), filed by James F. Kessler, an officer and/or director of CarMax Inc. (KMX). The document appoints John M. Stuckey III, Terence Rasmussen, Christine Carter, and Chelsea Shrader as attorneys-in-fact. These appointed individuals are authorized to execute and file Forms 3, 4, and 5, or any amendments, with the SEC on behalf of Mr. Kessler, in accordance with Section 16(a) of the Securities Exchange Act of 1934. The power of attorney remains in effect as long as Mr. Kessler is required to file these forms. The filing is dated March 29, 2026.