Minimum size should be 8 m. x 6 m. (approximately 500. sq. ft.). There should be one room for each class. Minimum floor space should be at least 1 sq. mtr. per student.
(Composite for Secondary or/and separate Physics, Chemistry and Biology for Senior Secondary)- minimum size should be 9 m. x 6m. each (approximately 600 sq.ft) and should be fully equipped.