SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT

              Pursuant to Section 13 or 15(d) of the Securities
                             Exchange Act of 1934


                Date of Report (Date of earliest event reported):
                                September 8, 2005
                                -----------------

                              SPARTECH CORPORATION
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             (Exact name of registrant as specified in its charter)

                                    DELAWARE
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                 (State or other jurisdiction of incorporation)


                 1-5911                          43-0761773
        (Commission File Number)      (IRS Employer Identification No.)

          120 South Central Avenue, Suite 1700, Clayton, Missouri 63105
          -------------------------------------------------------------
               (Address of principal executive offices) (Zip Code)

                                 (314) 721-4242
              ----------------------------------------------------
              (Registrant's Telephone Number, Including Area Code)

Check the appropriate box below if the Form 8-K is intended to simultaneously
satisfy the filing obligation of the registrant under any of the following
provisions (see General Instructions A.2. below):

      [ ] Written communications pursuant to Rule 425 under the Securities Act
      (17 CFR230.425)

      [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17
      CFR 240.14a-12)

      [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the
      Exchange Act (17 CFR 240.14d-2(b))

      [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the
      Exchange Act (17 CFR 240.13e-4(c))




                              SPARTECH CORPORATION

                                    FORM 8-K



Item 2.02. Results of Operations and Financial Condition.

On September 8, 2005 a press release was issued regarding earnings results of
Spartech Corporation for the third quarter, ended July 30, 2005. A copy of this
press release is furnished with this Current Report on Form 8-K as Exhibit 99.1.

Item 9.01. Financial Statements and Exhibits.

(c) Exhibits

Exhibit
Number          Description

99.1            Press release of Spartech Corporation dated September 8, 2005.



                                  SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                  SPARTECH CORPORATION

Date    September 9, 2005              By /s/ JEFFREY D. FISHER
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                                       Jeffrey D. Fisher
                                       Senior Vice President and General Counsel