Appendix 1: Statistics of schools in the sample for this report

ERO evaluated progress with success for Māori in all schools where an education review took place in Terms 2 and 3, 2009. The types, locality (urban or rural), decile range and roll size groups of schools are shown in Tables 1 to 4 below.

Table 1: School types

School type

Number

Percentage of sample

National percentage [28]

Full primary (Y1-8)

104

36

44

Contributing (Y1-6)

110

38

31

Intermediate (Y7-8)

9

3

5

Special School

4

2

2

Secondary (Y7-15)

12

4

4

Composite (Y1-15)

8

3

5

Secondary (Y9-15)

40

14

9

Total

287

100

100

Table 1 shows that the types of schools in this evaluation are representative of national percentages for most school types. Year 9-15 secondary and contributing primary schools were slightly over-represented, and full primary schools were under‑represented. These differences were not statistically significant [29].

Table 2: School locality

Locality

Number

Percentage of sample

National percentage

Urban

224

78

71

Rural

63

22

29

Total

287

100

100

Table 2 shows that the sample of schools in this evaluation are representative of the national percentages of urban and rural schools.

Table 3: School decile ranges

Decile [30]

Number

Percentage of sample

National percentage

Low decile (1-3)

79

27

31

Middle decile (4-7)

120

42

39

High decile (8-10)

88

31

30

Total

287

100

100

Table 3 shows that the sample of schools in this evaluation is representative of the national percentages of schools in each decile range.

Table 4: School roll size group

Roll size

Number

Percentage of sample

National percentage

Small (0-150 primary, 0-300 secondary)

90

31

45

Medium (151-300 primary, 301-700 secondary)

81

28

26

Large (301 primary, 701 secondary)

116

41

29

Total

287

100

100

Table 4 shows that the roll size groups are not representative of national percentages. The sample includes fewer small schools and more large schools. The differences were statistically significant.