Southwark private schools concentrate upper-class students while public schools remain mixed
An analysis of student demographics in Southwark shows that private secondary schools host a majority of children from professional and managerial families, whereas local state schools serve a more balanced cross-section of the borough's population.

Private school enrollment patterns
Data indicates that 75 percent of students attending the three large private secondary schools in Southwark come from the top two social classes. These families typically have higher professional or managerial backgrounds compared to the general population. By contrast, public schools in the same area show significantly lower concentrations of these groups.
Comparison with state education
Two of the 13 public schools in the borough have 50 percent of students from upper and middle classes. The remaining eleven public schools report between 18 percent and 33 percent of students from these same social groups. This distribution suggests very low class segregation exists between the public schools themselves.
Impact on social mobility
Researchers calculated an index of dissimilarity to measure how evenly social classes are distributed across all schools in the borough. Including private institutions means 31 percent of affluent students and 28 percent of the poorest would need to change schools for even distribution. Removing private schools from the calculation drops those required moves to just 2 percent and 6 percent respectively.
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