D.1. Classroom size meets standard specification for specific activities and are conducive to learning.
D.2. A sufficient number of classrooms is available.
D.3. The classrooms are clearly marked and arranged in relation to their respective functios
D.4. The classrooms are adequately lighted and ventilated
D.5. Classroom activities are not disturbed by playground noises and/or other external sounds
D.6. There is adequate, functional and comfortable classroom furniture
D.7. There are sufficient chalkboards, erasers and cleaning boxes in each classroom
D.8. Classroom interiors are pleasant and daily care is given to floors, furniture, chalkboards, chalk tray