Table 3.

School-level characteristics in total sample, subsample, participating schools, and the population

	Total		Subsample		Population
	Sample schools	Participating schools	Sample schools	Participating schools
	% of n (601)	% of n (131)	% of n (261)	% of n (62)	% of n (6,309)
School organization
Public school	76	77	72	73	77
Independent school	24	23	28	27	23
Type of municipality
Metropolitan	16	13	17	15	14
Suburbs surrounding metropolitan areas	14	12	13	8	15
Larger cities and surrounding suburbs	36	40	35	40	34
Densely populated	10	9	11	15	10
Other municipalities	25	27	24	23	28
School size
<60 students	38	44	39	45	69
60–99 students	30	30	31	29	19
≥100 students	32	26	30	26	12
School grade
5	33	32	33	31	54
8	34	33	35	37	26
11	33	35	32	32	20