SLM Corporation
Medium Term Notes, Series B

With Maturities of 9 Months or More from Date of Issue

Registration No. 333-107132 Filed Pursuant to Rule 424(b)(3) Pricing Supplement No. 452		Trade Date: 7/25/2005 Issue Date: 7/28/2005
(To Prospectus dated January 5, 2005 and Prospectus Supplement dated January 5, 2005)

The date of this Pricing Supplement is 7/25/2005

										Interest Payment						Subject to Redemption
		Stated Interest Rate Per Annum(1)
CUSIP				Maturity Date		Price to Public(2)(3)		Discounts & Commissions		Frequency		First Payment		Survivor's Option		Yes/No		Date and terms of redemption		Aggregate Principal Amount		Net Proceeds		OID Status
78490FVB2		5.000	%	09/15/2015		100%		1.500%		Quarterly		09/15/05		No		Yes		Callable at 100% on 9/15/2008 and Continuous thereafter with 20 days notice.		1,338,000		1,317,930.00		N

Effective June 30, 2005, Bear, Stearns & Co. Inc. was added as a selling agent under the SLM EdNotes program.

(1)

The interest rates on the Ed Notes may be changed by SLM Corporation from time to time, but any such change will not affect the interest rate on any Ed Notes offered prior to the effective date of the change.

(2)

Expressed as a percentage of aggregate principal amount.

(3)

See "Supplemental Plan of Distribution" in the Prospectus supplement for additional information concerning price to public and underwriting compensation.

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