Skip to main content

An IERI – International Educational Research Institute Journal

Table 6 Conditional quantile regression of PISA 2018 reading achievement

From: School socio-economic context and student achievement in Ireland: an unconditional quantile regression analysis using PISA 2018 data

Variable

10th

30th

70th

90th

Est

SE

Est

SE

Est

SE

Est

SE

Disadv. Sch

− 26.46***

7.98

− 25.09***

5.99

− 20.29***

6.49

− 17.96***

7.52

Female

33.51***

6.08

22.26***

4.18

9.37**

4.54

7.73

5.66

ESCS

24.12***

4.22

26.51***

2.66

27.96***

2.71

26.43***

3.06

School year

9.69***

3.59

6.69**

2.79

5.82*

3.00

6.53

4.59

Native

16.98**

7.42

11.93**

5.47

7.53

6.03

4.33

7.31

Direct instr. Eng

− 11.64***

3.77

− 12.09***

2.55

− 11.72***

2.73

− 10.22***

3.29

Teacher support

9.40***

3.52

9.54***

2.20

7.99***

2.54

7.03**

3.50

Single-sex sch

− 1.91

10.30

− 2.99

7.70

− 11.08

7.90

− 14.65

10.55

Student-staff ratio

1.66

2.22

0.72

1.55

0.03

1.59

− 0.93

2.11

School size

0.00

0.01

0.01

0.01

0.01

0.01

0.02*

0.01

Percent SEN students

− 0.14

0.33

− 0.31

0.28

− 0.44

0.29

− 0.57*

0.33

Staff shortage

4.94

6.83

7.93

5.04

9.84*

5.32

11.15**

6.01

Quality of teaching material

− 5.78

6.76

− 8.13

5.21

− 8.27

5.27

− 9.25

6.90

Secondary school

12.83

9.07

16.51**

6.91

21.13***

7.61

24.75***

8.68

Small town/Rural

0.74

8.05

0.89

5.87

− 0.55

5.59

5.26

7.07

Student behaviour

5.06

4.45

3.64

3.67

− 0.92

3.10

2.21

4.02

Teacher behaviour

− 2.18

4.56

0.26

3.11

5.19

3.61

3.57

3.82

Percent teachers recent prof. dev

− 0.09

.09

− 0.06

0.07

− 0.04

0.07

0.01

0.09

Parental engagement

0.44*

0.22

0.48*

0.25

0.31**

0.15

0.17

0.21

Constant

262.76***

46.25

371.28***

34.59

486.71***

36.82

543.59***

52.27

Observations

4923

 

4923

 

4923

 

4923

 

Pseudo R2

0.10

 

0.09

 

0.08

 

0.08

 
  1. Source: Analysis of PISA data for 2018
  2. The table presents estimated coefficients from conditional quantile regressions of PISA performance in mathematics with results for the 10th, 30th, 70th and 90th percentiles using the REPEST command
  3. ***Denotes statistically significant at 1%; ** denotes statistically significant at 5%; * denotes statistically significant at 10%