Table 1. Comparison of variables in measured 33 classrooms to the Indian Government standard recommendations.

Variable	Standard recommendations by the Government of India [2]	Mean±SD of existing levels in measured classrooms	Percentage of classrooms with levels beyond recommendations
Number of students per classroom	40	35±10	24 (>40 students)
Chalkboard dimension (length x width in metre)	1.2 x 2.4	1.3±0.18 x 2.8±0.99	21 (less than 1.2 x 2.4)
Distance from the board to front desk position in metre	2.2	2.76±0.66	82 (>2.2m)
Gross area of classroom per student in m2	1.26	1.01±0.36	70 (<1.26 m2)