Exhibit 23.1 CONSENT OF INDEPENDENT AUDITORS We consent to the incorporation by reference in the following Registration Statements of SLM Holding Corporation and in the related Prospectuses of our report dated January 13, 1997, with respect to the consolidated financial statements of SLM Holding Corporation incorporated by reference in the Annual Report (Form 10-K) for the year ended December 31, 1998: Registration Statement Number Description - ---------------------- ------------------------------------------------ 333-53631 Form S-8, pertaining to SLM Holding Corporation Management Incentive Plan 333-44425 Form S-8, pertaining to SLM Holding Corporation Employee Stock Option Plan and SLM Holding Corporation Directors Stock Plan. 333-33577 Form S-8, pertaining to SLM Holding Corporation's-Sallie Mae Employees' Thrift & Savings Plan. 333-33575 Form S-8 and Post-Effective Amendment No. 8 on Form S-8 to Form S-4, pertaining to SLM Holding Corporation's-Sallie Mae 1993-1998 Stock Option Plan; Sallie Mae Board of Directors' Stock Option Plan; Sallie Mae Incentive Performance Plan; Sallie Mae Board of Directors' Restricted Stock Plan; Sallie Mae Employees' Stock Purchase Plan; Sallie Mae Directors Deferred Compensation Plan; and Sallie Mae Stock Compensation Plan. 333-38391 Form S-1 and Pre-Efective Amendment No. 1 on Form S-3 pertaining to shares of SLM Holding Corporation's common stock issuable upon the exercise of outstanding warrants to purchase shares of SLM Holding Corporation's common stock. /s/Ernst & Young LLP Washington, D.C. March 29, 1999