BECAUSE OF CHANGING ENROLLMENTS AND TEACHING PRACTICES, MODERN SCHOOLS NEED THE FLEXIBILITY THAT CAN BE PROVIDED BY MOVABLE OR EASILY DEMOUNTABLE WALLS. USED AS TEACHING AIDS, SPACE DIVIDERS, SPACE CHANGERS, AND DISPLAY PANELS, THESE WALLS ARE USUALLY MOST EFFECTIVE WHEN USED IN LARGE SPACES SUCH AS AUDITORIUMS, GYMNASIUMS, LIBRARIES, OR CAFETERIAS. BUILDINGS DESIGNED WITH MOVABLE WALLS IN MIND SHOULD HAVE FLAT CEILINGS, STRAIGHT EXTERIOR WALLS, AND EVEN LIGHTING DISTRIBUTION. THIS ARTICLE APPEARED IN THE FEBRUARY, 1963, ISSUE OF EDUCATIONAL EXECUTIVE'S OVERVIEW. COPIES MAY BE OBTAINED BY WRITING TO THE EDITOR, EDUCATIONAL EXECUTIVE'S OVERVIEW, BUTTENHEIM PUBLISHING CORPORATION, 757 THIRD AVENUE, NEW YORK, N.Y. (JT)