EX-32.1 5 lope-20250331xex32d1.htm EX-32.1

Exhibit 32.1

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CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

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In connection with the Quarterly Report on Form 10-Q of Grand Canyon Education, Inc. (the “Company”) for the quarter ended March 31, 2025 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Brian E. Mueller, Chief Executive Officer, of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

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(1) | The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended (15 U.S.C. 78m or 78o); and

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(2) | The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

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Date: May 6, 2025 |  | ​
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/s/ Brian E. Mueller | ​ | ​
Brian E. Mueller | ​ | ​
Chief Executive Officer (Principal Executive Officer) | ​ | ​

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