National Curriculum:

https://www.gov.uk/government/publications/national-curriculum-in-england-citizenship-programmes-of-study

Subject Associations:

https://www.teachingcitizenship.org.uk/

Exam Boards:

Edexcel Pearson: https://qualifications.pearson.com/en/qualifications/edexcel-gcses/citizenship-studies-2016.html

OCR: https://www.ocr.org.uk/subjects/citizenship/

TES Resources:

https://www.tes.com/teaching-resources/hub/secondary/citizenship

Oak Academy:

https://www.thenational.academy/teachers/programmes/citizenship-secondary-ks3-l/units

https://www.thenational.academy/teachers/programmes/citizenship-secondary-ks4-l/units