Table 1.

Sample Composition and Equivalent National Data

Characteristic	Sample Composition	National Average
Sex	50.8% male, 49.2% female	50.3% male, 49.7% female
Gender identity	41.7% boy (inc trans boy), 40.0% girl (inc trans girl), 2.4% non-binary, 2.8% describe myself in another way, 5.3% prefer not to say, 7.9% missing	N/A
Sexual identity	67.5% heterosexual/straight, 2.7% gay/lesbian, 7.7% bi/pansexual, 3.7% describe myself in another way, 9.1% prefer not to say, 9.4% missing	N/A
Gender modality	79.7% cisgender, 7.1% transgender, 13.2% missing	N/A
Ethnicity	2.3% Any Other Ethnic Group. 18.1% Asian, 5.5% Black, 0.8% Chinese, 5.9% Mixed, 1.9% Unclassified, 65.6% White	2.2% Any Other Ethnic Group. 12.0% Asian, 6.2% Black, 0.5% Chinese, 6.3% Mixed, 2.0% Unclassified, 70.8% White
Special educational needs	85.8% No, 14.2% Yes	85.9% No, 14.1% Yes
Free school meal eligibility (in the last 6 years)	74.6% No, 25.4% Yes	N/Aa
Year group	51.5% Year 8, 48.5% Year 10	50.9% Year 8, 49.1% Year 10

Note. National data dervied from Explore Education Statistics online tool [79]

^aNational data are not available for free school meal eligibility in the last 6 years (known as EverFSM6). National data forcurrent free school meal eligibility indicate that 20.9% of pupils aged 11–16 are eligible