Airborne Express

Allen Foundation for the Arts

Annenberg Foundation

Arthur Vining Davis Foundations

The Atlantic Philanthropies

AT&T

Battelle

The Boeing Company

Boeing Employees' Credit Union

Carnegie Corporation of New York

Claude Worthington Benedum Foundation

The College Board

Danforth Foundation

DeWitt Wallace-Reader's Digest Fund

Geraldine R. Dodge Foundation

Exxon Education Foundation

Ford Foundation

J. Paul Getty Trust

Hewlett-Packard Company

William & Flora Hewlett Foundation

Jossey-Bass, Inc., Publishers

Joyce Foundation

W. K. Kellogg Foundation

John S. and James L. Knight Foundation

Longview Foundation

John D. and Catherine T. MacArthur Foundation

McGraw-Hill Companies, Inc.

Merck Family Fund

Mertz-Gilmore Foundation

Charles Stewart Mott Foundation

National Science Foundation

The Pew Charitable Trusts

Philip Morris Companies Inc.

SBC Foundation

Spencer Foundation

Starbucks Foundation

Stuart Foundation

Texaco Foundation

Titcomb Foundation

Washington Mutual Foundation

Wells Fargo Foundation

Weyerhaeuser Company Foundation

Wyman Youth Trust