OLS

MEDIAN

2000

2003

2006

2009

all

2000

2003

2006

2009

all

south

−51.35

−64.45

−60.22

−40.10

−52.87

−53.14

−68.28

−60.35

−48.38

−55.57

(11.19)

(40.90)

(46.31)

(40.30)

(75.36)

(9.55)

(26.80)

(26.69)

(28.24)

(32.36)

academic

73.91

91.56

103.37

88.36

90.93

70.06

92.11

103.80

97.001

92.30

(11.83)

(42.50)

(52.32)

(56.28)

(90.22)

(7.73)

(23.36)

(29.42)

(34.97)

(36.60)

technical

30.09

56.07

56.13

60.88

53.07

35.61

56.51

59.96

58.75

55.23

(5.85)

(26.75)

(32.66)

(45.72)

(57.96)

(4.50)

(15.88)

(19.05)

(26.77)

(24.12)

boy

15.57

33.16

20.64

19.80

23.07

15.03

33.02

21.41

24.78

24.22

(4.06)

(22.21)

(17.19)

(20.09)

(33.77)

(2.51)

(12.66)

(9.19)

(14.67)

(14.06)

stud/teac

4.96

1.80

1.57

3.12

2.21

4.34

2.31

1.03

2.86

2.34

(4.52)

(13.90)

(4.65)

(12.63)

(23.57)

(2.80)

(8.53)

(1.78)

(6.25)

(7.97)

private

−33.96

−47.05

−51.91

−30.82

−41.11

−19.13

−60.45

−43.75

−41.03

−42.79

(5.16)

(18.66)

(21.74)

(15.77)

(33.78)

(1.50)

(8.94)

(7.96)

(8.23)

(9.15)

short lab equip

−2.70

−1.93

−3.28

3.20

−0.93

−2.05

−2.64

−2.87

2.78

−0.76

(1.30)

(1.87)

(4.52)

(5.47)

(2.28)

(0.70)

(1.64)

(2.17)

(2.74)

(0.76)

short textbk

−13.45

−6.51

−5.43

−6.37

−7.12

−14.15

−6.22

−7.64

−4.22

−7.09

(4.81)

(5.79)

(4.83)

(7.47)

(13.25)

(3.35)

(3.33)

(4.13)

(3.11)

(5.18)

short compu

2.73

5.71

9.91

−1.76

3.54

1.61

6.20

13.73

−4.49

4.15

(1.20)

(5.12)

(11.81)

(2.66)

(7.83)

(0.45)

(3.47)

(8.55)

(3.94)

(3.55)

poor library

4.75

2.13

0.49

−2.20

1.73

3.29

2.62

0.43

−0.05

1.62

(1.88)

(2.03)

(0.57)

(3.48)

(3.90)

(1.01)

(1.37)

(0.27)

(0.05)

(1.44)

short teacher

0.19

−0.21

−1.38

4.22

0.67

2.39

−0.29

−1.61

4.52

1.82

(0.10)

(0.27)

(2.28)

(7.00)

(1.87)

(0.90)

(0.19)

(1.22)

(4.90)

(1.84)

prop cer teac

−0.32

−3.72

7.75

2.83

9.52

6.33

−16.11

7.84

5.99

6.19

(0.05)

(0.85)

(2.19)

(1.01)

(5.78)

(0.71)

(1.63)

(1.40)

(1.21)

(1.27)

school size

0.002

0.003

−0.006

−0.05

−0.007

0.005

0.003

−0.01

−0.06

−0.01

(0.16)

(1.24)

(2.84)

(11.86)

(5.12))

(0.57)

(0.69)

(2.67)

(9.71)

(3.70)

computer

0.15

0.13

0.18

0.29

0.13

0.06

0.16

0.16

0.34

0.13

(2.74)

(6.96)

(13.82)

(13.65)

(19.40)

(0.86)

(5.92)

(6.62)

(11.28)

(9.55)

constant

399.20

418.89

395.45

414.13

402.75

410.56

424.544

397.42

409.07

405.32

(34.45)

(83.05)

(88.71)

(117.16)

(193.31)

(21.74)

(40.84)

(51.82)

(66.25)

(65.58)

n

2012

10453

16014

23588

52067

2012

10453

16014

23588

52067

R²

0.23

0.35

0.34

0.28

0.30

0.11

0.10

0.16

0.18

0.18

scale w(q)

88.13

77.55

79.44

75.38

97.38