SEP was measured by pupil-reported parental occupation and coded according to the standards of the Danish National Institute of Social Research into occupational social class (OSC) I (highest) to V, group VI (employed but insufficient information for the coding of OSC) and VII (economically inactive).
Social class of the head of household, was derived from data about parental occupation obtained in a brief pupil interview.
Pupils I spoke to say around half the sixth form (some 200 of 400 pupils) have entered the occupation this morning, while "nearly all" the pupils are expected to join in tomorrow's march.
17-year-old Alexis led the occupation of his high school, with pupils living, eating and sleeping in their classrooms, guarding the doors and cleaning the school for several months.
Our indicator of social class is derived from pupils' reports of parental occupation and not from parents directly, nevertheless this method has provided valid data and social class derived from pupils as young as age 11 is highly correlated with that derived from parental self-report (West et al., 2001).
In recent weeks, Mr Bennett has also banned the dovish ex-soldiers' group Breaking the Silence, which seeks an end to Israel's 48-year occupation of the West Bank, from speaking to pupils.
When the government proposed a new education privatisation bill in 1990, the 16-year-old Tsipras led an occupation of his school to oppose the reforms, locking teachers and other pupils out.
This intense, highly wrought work reflects the two overriding tensions in the composer's life at the time: love for his young composition pupil, Vítězslava Kaprálová and fears of the impending Nazi occupation.
Finding ways to get bright pupils from poor families into internships and work experience to reach top occupations will no doubt help to slightly rebalance the odds for a few.
Arts Emergency, a small new charity for 15 to 19-year-olds, has found that pupils from low-income families are often discouraged from applying to art schools, as it promises too precarious an occupation.
