Registration No. 333-107132
Filed Pursuant to Rule 424(b)(3)

SLM Corporation
Medium Term Notes, Series B
EdNotes®
With Maturities of 9 Months or More from Date of Issue


Pricing Supplement No. 390
(To Prospectus dated January 5, 2005, and Prospectus Supplement dated
January 5, 2005)
  Trade Date: February 07, 2005
Issue Date: February 10, 2005

The date of this Pricing Supplement is February 07, 2005

INVESTING IN THESE FLOATING RATE NOTES INVOLVES RISKS THAT ARE DESCRIBED IN THE "RISK FACTORS" SECTIONS BEGINNING ON PAGE S-5 OF THE ACCOMPANYING PROSPECTUS SUPPLEMENT.

CUSIP or Common Code   78490FSJ9

Price to Public

 

100% of the principal amount

Principal Amount

 

$20,322,000.00

Proceeds to Issuer

 

$20,067,975.00

Discounts and Commissions

 

1.25%

Reallowance

 

0.875%

Dealer

 

99.00%

Maturity Date

 

March 15, 2012

Stated Annual Interest Rate

 

N/A (Floating Rate Note)
 
Interest Reset Period

 

Monthly. The first interest period will run from and including the Issue Date to but excluding March 15, 2005.
 
Interest Rate Determination Dates and Interest Reset Dates

 

The 15th day of each month during the term of the notes, beginning March 15, 2005.
 
Day Count Convention

 

Actual/Actual.
 
Interest Rate Basis

 

Consumer Price Index Adjustment Rate (CPI)
 
Index Maturity

 

N/A
 
Spread

 

1.48%
 
Initial Interest Rate

 

5.00%
 
Maximum Interest Rate

 

N/A
 
Minimum Interest Rate

 

0.00% per annum with respect to each Interest Reset Period
     

 
Interest Payment Frequency and Dates

 

Monthly, from and including an Interest Reset Date to and excluding the next succeeding Interest Reset Date, except that the first period shall be the period from and including the Issue Date to but excluding March 15, 2005 (or, if such day is not a business day, the following business day).
 
Interest Payment Date

 

The 15th day of each month during the term of the notes, beginning March 15, 2005 (or, if such day is not a business day, the next following business day, in which case interest on that interest payment will not accrue for the period from the scheduled interest payment date to the next following business day on which the interest payment is made).
 
First Interest Payment Date

 

March 15, 2005 (or if such day is not a business day, the following business day).
 
Survivor's Option

 

No
 
Callable By Issuer

 

No
 
If Callable by Issuer, dates and terms of redemption (including redemption price)

 

N/A
 
Additional Amounts

 

N/A
 
Original Issue Discount

 

N/A
 
Other Material Terms (if any): Calculation Agent

 

SLM Corporation

Obligations of SLM Corporation and any subsidiary of SLM Corporation are not guaranteed by the full faith and credit of the United States of America. Neither SLM Corporation nor any subsidiary of SLM Corporation (other than Student Loan Marketing Association) is a government-sponsored enterprise or an instrumentality
of the United States of America.

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