How Summerhill Works

6.4

/

1960

7.3

/

2002

7.7

/

2003

6.2

/

2008

7.5

/

2004

6.3

/

2007

5

/

1970

5.9

/

2008

7.3

/

2017

6.5

/

1979

9

/

2017

5.7

/

2009

0

/

2024

7.2

/

2024

6.933

/

2010

7

/

2008

6.1

/

1996

7.8

/

1970

6.1

/

2024

8.1

/

2020