Grade*behavior change crosstabulation
			Behavior change		Total
			Change	Not change	Total
Grade	Younger	Count	54	4	58
	Younger	% within grade	93.1%	6.9%	100.0%
	Middle	Count	47	13	60
	Middle	% within grade	78.3%	21.7%	100.0%
	Higher	Count	72	10	82
	Higher	% within grade	87.8%	12.2%	100.0%
Total		Count	173	27	200
Total		% within grade	86.5%	13.5%	100.0%