Figure 1

Respondent codes
| Code | Description |
|---|---|
| CEO | Formerly a headteacher of a high performing secondary school |
| EHTP | Executive headteacher of junior school |
| HTP | Headteacher of primary school |
| HTSH | Headteacher of high performing secondary school. |
| HTHL | Headteacher of low performing secondary school |
| BTL | Member of Board of Trustees |
