X0202 SCHEDULE 13G/A 0001172661-26-001216 0000914976 XXXXXXXX LIVE 5 Common Stock, $0.01 par value 03/31/2026 0001013934 Strategic Education, Inc. 86272C103 2303 DULLES STATION BOULEVARD HERNDON VA 20171 Rule 13d-1(b) Marshfield Associates Inc DC 618428.00 0.00 792930.00 0.00 792930.00 N 3.51 IA Strategic Education, Inc. 2303 Dulles Station Blvd, Herndon, VA 20171 Marshfield Associates Inc 1330 Connecticut Avenue NW, Suite 400, Washington, DC 20036 USA N IA 792,930 3.51% 792,930 0 792,930 0 N Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Marshfield Associates Inc /s/ Brian Walker 05/15/2026