2077-2955

S2077-29552021000300500

Cuba

00 12 2021

17 3 500 522

2017 20 10 10

1-17

Association of Independent Schools of New South Wales (AISNSW 2017

Association of Washington School Principals (AWSP 2019

2004

2017

2006 44 4 4

359-75

2016

2017

2009

Centro de Desarrollo de Liderazgo Educativo (CEDLE 2018

2019

274-98

2006 44 4 4

310-25

2019

2018 28 1 1

119-42

2011 9 3 3

30-50

2016 70

65-76

2009

Hanover Research 2015 ,

2017

631-88

1999

Leadership Academy 2019

2017

2016 70 E-A E-A

115-30

2019 17 2 2

43-65

1999

2017 ,

2004 7 2 2

107-25

2015 ,

2018 48 48

17-49

2020 20 70 70

197-212

2020 31 1 1

117-26

2018 20 10 10

1-9

2019

299-322

2019

84-108

2020 18 3 3

573-87

2018 9 6 6

1-22

2016 38 151 151

158-74

2006 44 4 4

297-309

2016 44 1 1

12-45

2016