Table 3.

Number and percentage of students by class.

School	Class	n	% of total	Cumulative %
Primary school	1	1498	10.0	10.0
	2	1604	10.7	20.6
	3	1744	11.6	32.2
	4	1752	11.6	43.8
	5	1846	12.3	56.1
Middle school	1	2192	14.6	70.7
	2	2223	14.7	85.4
	3	2193	14.5	100.0