SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 8-A

                FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES
                     PURSUANT TO SECTION 12(b) OR (g) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

                              SPDR(R) SERIES TRUST
             (Exact name of registrant as specified in its charter)

<Table>
                                                      

               Massachusetts                                           See Below
- --------------------------------------------------------------------------------------------------
  (State of incorporation or organization)               (I.R.S. Employer Identification number)


One Lincoln Street, Boston, Massachusetts                                02111
- --------------------------------------------------------------------------------------------------
(Address of principal executive offices)                               (Zip Code)

</Table>

Securities to be registered pursuant to Section 12(b) of the Exchange Act:



<Table>

<Caption>

       TITLE OF EACH CLASS                                                         I.R.S. EMPLOYER
         TO BE REGISTERED                        EXCHANGE                          IDENTIFICATION NUMBER
- ---------------------------------------------------------------------------------------------------------
                                                                             
SPDR(R) Lehman Municipal Bond ETF                American Stock Exchange              20-8600874

</Table>


If this form relates to the  registration  of a class of securities  pursuant to
Section  12(b)  of  the  Exchange  Act  and is  effective  pursuant  to  General
Instruction A.(c), check the following box: [X]

If this form relates to the  registration  of a class of securities  pursuant to
Section  12(g)  of  the  Exchange  Act  and is  effective  pursuant  to  General
Instruction A.(d), check the following box: [ ]

Securities  Act  registration  statement file number to which this form relates:
333-57793

Securities to be registered pursuant to Section 12(g) of the Act: None





Item 1.     Description of Registrant's Securities to be Registered

A  description  of the shares of beneficial  interest  ("Shares") of the SPDR(R)
Lehman  Municipal  Bond  ETF  (the  "Fund")  is set  forth  in the  Registrant's
Registration  Statement  on Form N-1A  (Securities  Act file  number  333-57793;
Investment Company Act file number 811-08839), which description is incorporated
herein  by  reference  to  Post-Effective  Amendment  No.  25 as filed  with the
Securities  and  Exchange   Commission  on  September  10,  2007  ("Registration
Statement"). A definitive prospectus and statement of additional information for
the Fund is also incorporated herein by reference, as filed with the Securities
and Exchange Commission on September 12, 2007. Any form of supplement to the
Registration  Statement that is subsequently filed that relates to the Fund is
hereby also incorporated by reference herein.

Item 2.     Exhibits

<Table>
      

(a)(1)   Registrant's   First  Amended  and  Restated   Declaration   of  Trust,
         incorporated herein by reference to Exhibit (a)(i) to the Registration
         Statement.

(a)(2)   Registrant's Amendment to the First Amended and Restated Declaration of
         Trust,  incorporated  herein by  reference  to Exhibit  (a)(ii) to the
         Registration Statement.

(b)      Registrant's  Amended  and  Restated  Bylaws,  incorporated  herein by
         reference to Exhibit (b) to the Registration Statement.

(c)      Registrant's  form  of  global  certificate,  incorporated  herein  by
         reference to Item 2(c) to the Registrant's  registration of securities
         filed  pursuant  to  Section  12(b) on Form  8-A/A on  August  1, 2007
         (Securities Exchange Act file number 001-16135).
</Table>




                                    SIGNATURE

Pursuant to the  requirements  of Section 12 of the  Securities  Exchange Act of
1934, the Registrant has duly caused this Registration Statement to be signed in
the  City of  Boston  and  Commonwealth  of  Massachusetts  on the  12th  day of
September, 2007.




By:  /s/ Ryan M. Louvar
     -------------------
     Ryan M. Louvar
     Assistant Secretary