CHOICES AND ISSUES IN SELECTING MATERIALS FOR MODERNIZATION OF SCHOOL BUILDINGS ARE DISCUSSED IN THIS REPORT. BACKGROUND INFORMATION IS INTRODUCED IN TERMS OF REASONS FOR ABANDONMENT, THE CAUSES AND EFFECTS OF SCHOOL BUILDING OBSOLESCENCE, AND PROBLEMS IN THE MODERNIZATION PROCESS. INTERIOR PARTITIONS ARE DISCUSSED IN TERMS OF BUILDING MATERIALS, SURFACE TREATMENT, AND CONSTRUCTION COSTS. CRITERIA FOR FLOORING INCLUDE MATERIALS AND MAINTENANCE AND FUNCTIONAL PROPERTIES OF MATERIALS. CEILINGS ARE MENTIONED WITH RESPECT TO FINISHING MATERIALS, ACOUSTICS AND REVERBERATION CONTROL, AND INSULATION. GENERAL COMMENTS ARE INCLUDED ON PLANNING FOR MODERNIZATION. (MM)