DFA INVESTMENT DIMENSIONS GROUP INC, 497, 1996-08-16

DFA INVESTMENT DIMENSIONS GROUP INC
497, 1996-08-16

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                                                            1933 Act Rule 497(j)
                                                       1933 Act File No. 2-73948
                                                      1940 Act File No. 811-3258


                                  [LETTERHEAD]



Direct Dial: (215) 564-8129


                                 August 15, 1995


FILED VIA EDGAR

U.S. Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C.  20549
Attn:  Filing Desk

          Re:  DFA INVESTMENT DIMENSIONS GROUP INC.
               FILE NO. 2-73948
               RULE 497(j) FILING
               ------------------------------------


Ladies and Gentlemen:

          Pursuant to Rule 497(j) under the Securities Act of 1933, this letter
serves as certification that (1) the form of Prospectus and Statement of
Additional Information that would have been filed under paragraph (c) of Rule
497 would not have differed from that contained in the most recent Post-
Effective Amendment to the Registration Statement of DFA Investment Dimensions
Group Inc., Post-Effective Amendment Nos. 42/43, filed with the Securities and
Exchange Commission ("SEC") and (2) the text of the most recent Post-Effective
Amendment filed with the SEC, Post-Effective Amendment Nos. 42/43, has been
filed electronically.

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U.S. Securities and Exchange Commission
August 15, 1996
Page 2


          Please direct any questions or comments relating to this certification
to me or, in my absence, to Stephen W. Kline at (610) 640-5801.

                              Very truly yours,

                              /s/ Brian S. Vargo

                              Brian S. Vargo
BSV/klb

cc:  Irene R. Diamant, Esquire
     Stephen W. Kline, Esquire