Exhibit 23(j)

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in this Registration Statement on Form N-1A of our reports dated January 23, 2006, relating to the financial statements and financial highlights which appear in the November 30, 2005 Annual Reports to Shareholders of DFA Investment Dimensions Group Inc., which are also incorporated by reference into the Registration Statement. We also consent to the references to us under the headings “Financial Highlights”, “Service Providers”, “Independent Registered Public Accounting Firm” and “Financial Statements” in such Registration Statement.

PricewaterhouseCoopers LLP

Philadelphia, Pennsylvania

March 30, 2006