SLM Corporation
Medium Term Notes, Series B

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With Maturities of 9 Months or More from Date of Issue


Registration No. 333-90316    
Filed Pursuant to Rule 424(b)(3)    
Pricing Supplement No. 33   Trade Date: 3/17/03
(To Prospectus dated January 23, 2003 and
Prospectus Supplement dated January 23, 2003)
  Issue Date: 3/20/03

The date of this Pricing Supplement is 3/17/03
 
   
   
   
   
  Interest Payment
   
  Subject to Redemption
   
   
   
 
  Stated
Interest
Rate Per
Annum1

   
   
   
   
   
   
   
CUSIP

  Maturity
Date

  Price to
Public2, 3

  Discounts &
Commissions

  Frequency
  First
Payment

  Survivor's
Option

  Yes/No
  Date and
terms of
redemption

  Aggregate
Principal
Amount

  Net
Proceeds

  OID
Status

78490FBJ7   5.200%   3/15/28   100%   2.500%   Monthly   04/15/03   Yes   Yes   Callable at 100% on 3/15/08 and continously thereafter with 5 days notice.   935,000   911,625.00   N
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.