Exhibit 99.1 STRATEGIC EDUCATION, INC. REPORTS FOURTH QUARTER 2023 RESULTS HERNDON, Va., February 29, 2024 — Strategic Education, Inc. (Strategic Education) (NASDAQ: STRA) today announced financial results for the period ended December 31, 2023. “During 2023, we delivered strong enrollment, revenue, and earnings growth and are proud of the organization’s ongoing commitment to the success of our students,” said Karl McDonnell, Chief Executive Officer of Strategic Education. “As we begin a new year, we look t ...