Form 4 - John K. Morgan
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 FORM 4
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                                             UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                                                         Washington, D.C.  20549

[ ] Check this box if no longer                STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
    subject to Section 16. Form 4 or        Filed pursuant to Section 16(a) of the Securities
    Form 5 obligations may continue.            Exchange Act of 1934, Section 17(a) of the
    See Instruction 1(b).                     Public Utility  Holding Company Act of 1935 or
                                            Section 30(f) of the Investment Company Act of 1940


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|1. Name and Address of Reporting Person* | 2. Issuer Name and Ticker or Trading Symbol  | 6. Relationship of Reporting Person(s)  |
|                                         |                                              |    to Issuer (Check allapplicable)      |
|   MORGAN       JOHN          K.         |    ACUITY BRANDS, INC. (AYI)                 |                                         |
|                                         |                                              |    [ ] Director       [ ] 10% Owner     |
------------------------------------------------------------------------------------------                                         |
|   (Last)      (First)       (Middle)    | 3. I.R.S. Identi-       | 4. Statement for   |    [X] Officer (give  [ ] Other(specify |
|                                         |    fication Number      |    Month/Day/Year  |        title below)       below)        |
|    C/O ACUITY BRANDS, INC.              |    of  Reporting        |                    |                                         |
|    1170 PEACHTREE STREET, NE            |    Person, if an entity |    01/20/2003      |    Sr. Executive Vice President and     |
|    SUITE 2400                           |    (voluntary)          |                    |    Chief Operating Officer              |
------------------------------------------|                         |---------------------------------------------------------------
|              (Street)                   |                         | 5. If Amendment,   | 7.  Individual or Joint/Group Filing    |
|                                         |                         |    Date of Original|    (Check Applicable Line)              |
|   ATLANTA      GEORGIA         30309    |                         |    (Month/Year)    |    [X]Form filed by One Reporting Person|
|                                         |                         |                    |    [ ]Form filed by More than One       |
|                                         |                         |                    |       Reporting Person                  |
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|  (City)        (State)         (Zip)                                                                                             |
|                               Table I-- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned                   |
|                                                                                                                                  |
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|1.  Title of Security   |2. Trans- |2A. Deemed | 3. Trans-   |4. Securities Acquired(A)|5. Amount of    |6. Ownership |7. Nature  |
|    (Instr. 3)          |   action |    Execu- |    action   |   or Disposed of (D)    |   Securities   |   Form:     |   of      |
|                        |   Date   |    tion   |    Code     |   (Instr. 3, 4 and 5)   |   Benefic-     |   Direct    |   Indirect|
|                        |   (MM/   |    Date,if|    (Instr.8)|                         |   ially Owned  |   (D) or    |   Bene-   |
|                        |    DD/   |    any    |----------------------------------------   at End of    |   Indirect  |   ficial  |
|                        |    YY)   |    (MM/   |  Code |   V |   Amount |  (A) | Price |   Month (Instr.|   (I)       |   Owner-  |
|                        |          |    DD/    |       |     |          |  or  |       |   3 and 4)     |             |   ship    |
|                        |          |    YY)    |       |     |          |  (D) |       |                |             |  (Instr.4)|
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|  COMMON STOCK          |  1/20/03 |  1/20/03  |   F   |     | 210(FN 1)|   D   $13.75 |  23,215 (FN 2) |   D         |           |
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|  COMMON STOCK          |          |           |       |     |          |      |       |      72        |   I         | By Son    |
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                                    Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
                                           (e.g., puts, calls, warrants, options, convertible securities)

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|1. Title of            |2. Conver-   |3. Trans- |3A.Deemed  |4.Transaction   |5. Number of Deriv-      | 6.  Date Exerc-          |
|   Derivative          |   sion or   |   action |   Execu-  |  Code          |   ative Securities      |     isable and           |
|   Security            |   Exercise  |   Date   |   tion    |  (Instr. 8)    |   Acquired (A) or       |     Expiration           |
|   (Instr.3)           |   Price of  |   (MM/   |   Date,   |                |   Disposed of (D)       |     Date                 |
|                       |   Deriv-    |   DD/    |   if any  |                |   (Instr. 3, 4          |     (MM/DD/YY)           |
|                       |   ative     |   YY)    |   (MM/    |                |   and 5)                |                          |
|                       |   Security  |          |    DD/    |----------------------------------------------------------------------
|                       |             |          |    YY)    |  Code  |   V   |      (A)     |    (D)   |  Date        | Expira-   |
|                       |             |          |           |        |       |              |          |  Exercisable | tion Date |
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| EMPLOYEE STOCK OPTIONS|             |          |           |        |       |              |          |              |           |
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| STOCK UNITS (FN 4)    |   1 for 1   |          |           |        |       |     (FN 4)   |          |  (FN 4)      | (FN 4)    |
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|                       |             |          |           |        |       |              |          |              |           |
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|                       |             |          |           |        |       |              |          |              |           |
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|7. Title and              |  8. Price of      |   9. Number of     |  10.  Ownership      |  11.  Nature of    |
|   Amount of              |     Derivative    |      Derivative    |       Form of        |       Indirect     |
|   Underlying             |     Security      |      Securities    |       Derivative     |       Beneficial   |
|   Securities             |     (Instr. 5)    |      Beneficially  |       Security:      |       Ownership    |
|   (Instr. 3 and 4)       |                   |      Owned at End  |       Direct (D)     |       (Instr. 4)   |
----------------------------                   |      of Month      |       or Indirect (I)|                    |
|  Title      |  Amount or |                   |      (Instr. 4)    |       (Instr. 4)     |                    |
|             |  Number of |                   |                    |                      |                    |
|             |  Shares    |                   |                    |                      |                    |
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|Common Stock |            |                   |      278,260 (FN 3)|       D              |                    |
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|Common Stock |            |                   |        4,352 (FN 4)|       D              |                    |
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|             |            |                   |                    |                      |                    |
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|             |            |                   |                    |                      |                    |
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Explanation of Responses:

FN 1. Shares returned to Issuer in payment of withholding tax due on vesting of Restricted Shares.

FN 2. Includes 920 performance-based, time-vesting restricted shares.

FN 3. Represents total options held at various exercise prices and grant dates as of the Reporting Date.

FN 4. Stock Units held in Acuity Brands Supplemental Deferred Savings Plan that will be paid in cash according to the plan's
      provisions.





  /s/ John K. Morgan                      01/22/2003
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** Signature of Reporting Person             Date



Reminder:  Report on a separate line for each class of securities beneficially directly or indirectly.

*If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations.

   See 18 U.S.C 1001 and 15 U.S.C. 78ff(a).

Note:  File three copies of this Form, one of which must be manually signed.
       If space is insufficient, see Instruction 6 for procedure.