Appendix 2: ERO’s sample of schools was similar to the national picture

Table 1: A mix of different schools was sampled

School type

Number of schools in sample

Percentage of schools in sample[1]

National percentage of schools[2]

Full primary (Years 1-8)

55

47

52

Contributing (Years 1-6)

52

44

40

Intermediate (Years 7-8)

10

8

6

Special

1

1

2

Total

118

100

100



[1] Differences between sample and national schools were not statistically significant. The differences between observed and expected values in Tables 1 to 4 were tested using a Chi square test. The level of statistical significance used for all testing in this report was p<0.05.

[2] The national percentage of schools as at June 2018.

Table 2: Schools represent different socio‑economic communities

Decile group[1]

Number of schools in sample

Percentage of schools in sample

National percentage of schools

Low decile

37

31

29

Medium decile

50

42

39

High decile

31

27

32

Total

118

100

100



[1] Deciles 1-3 are low decile schools; deciles 4-7 are medium decile schools; deciles 8-10 are high decile schools.

Table 3: Different sized schools represented

School roll[1]

Number of schools in sample

Percentage of schools in sample

National percentage of schools

Very small

13

11

8

Small

16

14

21

Medium

51

43

38

Large

25

21

21

Very large

13

11

12

Total

118

100

100



[1] Roll sizes for full primary, contributing and intermediate schools are: very small (1-30); small (31-100); medium (101-300); large (301-500) and very large (more than 500).

Table 4: A balance of urban and rural schools sampled

Urban/rural area[1]

Number of schools in sample

Percentage of schools in sample

National percentage of schools

Main urban area

65

55

53

Secondary urban area

9

8

6

Minor urban area

11

9

10

Rural area

33

28

31

Total

118

100

100



[1] Main urban areas have a population greater than 30,000; secondary urban areas have a population between 10,000 and 29,999; minor urban areas have a population between 1000 and 9,999; and rural areas have a population less than 1000.