1. Name and Address of Reporting Person
   Keler, Marianne M.
   11600 Sallie Mae Drive
   Reston, VA 20193
2. Issuer Name and Ticker or Trading Symbol
   SLM Corporation (SLM)
3. IRS or Social Security Number of Reporting Person (Voluntary)
4. Statement for Month/Day/Year
   12/24/2002
5. If Amendment, Date of Original (Month/Day/Year)
6. Relationship of Reporting Person(s) to Issuer (Check all applicable)
   ( ) Director                   ( ) 10% Owner
   (X) Officer (give title below) ( ) Other (specify below)
   Executive Vice President
7. Individual or Joint/Group Filing (Check Applicable Line)
   (X) Form filed by One Reporting Person
   ( ) Form filed by More than One Reporting Person

TABLE I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
+------------------------------+----------+----------+---------+--------------------------+--------------+-----------+------------+ |1. Title of Security |2. Trans- |2A.Execu- |3. Trans-|4. Securities Acquired (A)|5. Amount of |6. Owner- |7. Nature | | | action | action | action| or Disposed of (D) |Securities | ship | of In- | | | Date | Date | Code | |Beneficially | Form: | direct | | | | | | |Owned | Direct | Bene- | | | (Month/ | (Month/ | | |Following | (D) or | ficial | | | Day/ | Day/ +-----+---+-----------+---+----------+Reported | Indirect| Owner- | | | Year) | Year) |Code |V |Amount |A/D|Price |Transaction(s)| (I) | ship | +------------------------------+----------+----------+-----+---+-----------+---+----------+--------------+-----------+------------+ Phantom Stock Units 12/20/2002 12/20/2002 A 40.01 A $105.5800 16936.26 D
TABLE II -- Derivative Securities Acquired, Disposed of, or Beneficially Owned
+----------+--------+-------+-------+---------+-----------+---------------------+----------------+----------+-------+-------+------+ |1. |2. |3. |3A. |4. |5. |6. |7. |8. |9. |10. |11. | | | | | | | | | | |Number |Owner- | | | | | | | | | | | |of |ship | | | | | | | | | | | |Deriv- |Form of| | | | | | | | | |Title and Amount| |ative |Deriv- | | | | | | | | | |of Underlying | |Secur- |ative |Nature| | |Conver- |Trans- |Execu- | |Number of | |Securities | |ities |Secur- |of | | |sion or |action |tion | |Derivative |Date Exercisable +-------+--------+ |Benefi-|ity: |In- | | |Exercise|Date |Date | |Securities |and Expiration Date | |Amount | |cially |Direct |direct| | |Price of| | |Transac- |Acquired(A)|(Month/Day/Year) | |or | |Owned |(D) or |Bene- | |Title of |Deriv- |(Month/|(Month/|tion Code|Disposed(D)+----------+----------+ |Number |Price of | |In- |ficial| |Derivative|ative | Day/ | Day/ +------+--+-----+-----+Date Exer-|Expira- | |of |Derivative| |direct |Owner-| |Security |Security|Year) |Year) |Code |V |(A) |(D) |cisable |tion Date |Title |Shares |Security | |(I) |ship | +----------+--------+-------+-------+------+--+-----+-----+----------+----------+-------+--------+----------+-------+-------+------+ Phantom $0 12/20/2 12/20/2 A 0.44 Common 0.71 $0.0000 287.61 D Stock 002 002 Stock Units Phantom $0 Common 126 I By Stock Stock Supplem Units ental 401k Plan Explanation of Responses: Includes shares acquired under the Officer Deferred Compensation Plan. Units are settled in the Company's common stock. Conversion or Exercise Price of Derivative Security is 1 to 1. Includes Phantom Stock Units acquired under the Supplemental 401K plan on various dates since reporting persons last report at the prevailing market price.
SIGNATURE OF REPORTING PERSON /s/ Mary F. Eure (POA) DATE 12/23/2002