Ariel Investment Trust

c/o U.S. Bancorp Fund Services, LLC

615 East Michigan Street

Milwaukee, Wisconsin 53202

February 2, 2012

VIA EDGAR TRANSMISSION

United States Securities and Exchange Commission

Division of Investment Management

100 “F” Street, N.E.

Washington, D.C.  20549

RE: ARIEL INVESTMENT TRUST (the “Trust”) Securities Act Registration No: 033-07699 Investment Company Act Registration No: 811-4786 Ariel Fund (S000005024) Ariel Appreciation Fund (S000005025) Ariel Focus Fund (S000005026) Ariel Discovery Fund (S000031125) Ariel International Equity Fund (S000035291) Ariel Global Equity Fund (S000035292)

Dear Sir or Madam:

Pursuant to Rule 497(j) under the Securities Act of 1933 (the “1933 Act”), as amended, and pursuant to the Investment Company Act of 1940, as amended, and the regulations thereunder, the Trust on behalf of its series, Ariel Fund, Ariel Appreciation Fund, Ariel Focus Fund, Ariel Discovery Fund, Ariel International Equity Fund, and Ariel Global Equity Fund, hereby certifies that the form of Prospectus and Statement of Additional Information that would have been filed under Rule 497(b) or (c) under the 1933 Act would not have differed from that contained in the most recent amendment for the Fund dated February 1, 2012, and filed electronically as Post-Effective Amendment No. 48 to the Trust’s Registration Statement on Form N-1A on January 27, 2012.

Please direct any inquiries regarding this filing to me at (414) 765-6620.  Thank you for your assistance with respect to this matter.

Very truly yours,

/s/ Alia S. Mendez

Alia S. Mendez, Esq. for U.S. Bancorp Fund Services, LLC