SCHEDULE 13G/A 0001193125-21-246762 0000914976 XXXXXXXX LIVE 4 Common Stock 12/31/2025 0001013934 STRATEGIC EDUCATION INC 86272C103 2303 DULLES STATION BOULEVARD HERNDON VA 20171 Rule 13d-1(b) Marshfield Associates Inc DC 1096519.00 0.00 1478522.00 0.00 1478522.00 N 6.29 IA STRATEGIC EDUCATION INC 2303 Dulles Station Blvd, Herndon, VA 20171 Marshfield Associates Inc 21 Dupont Circle, NW, Suite 500, Washington, DC 20036 USA N IA 1,096,519 0 1,478,522 0 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 02/14/2026