[2] He was educated at West Hill School,[3] a state comprehensive in Stalybridge, followed by the University of Warwick, where he read Mathematics and Physics, graduating with a BSc, MMathPhys in 2014.

[15] In September 2023, Rankin was accused of sharing transphobic social media posts after describing LGBTQ rights charity Stonewall as "dangerous" and criticised public and corporate funding of the organisation.

"[22] In October 2024, it was confirmed with 24-hours' notice that The Manor Hotel in the village of Datchet within his constituency would be used as accommodation due to the "high number of arrivals across the channel".

[23] Rankin wrote urgently to the Home Secretary, Yvette Cooper to oppose this decision, following up with two oral questions in the House of Commons chamber.

[24] In January 2025, he hosted a Westminster Hall debate on asylum hotels, stating that "we, collectively, are the fools for putting a pot of gold at the end of the rainbow—we need to remove it.

The stories contained no opposing quotes and Rankin was thanked by both constituency racecourses for visiting them, and standing up for their employees during an uncertain period for the industry[36][35].

In Bracknell News, Rankin was quoted as saying "I proudly and unashamedly continue to stand up for the fantastic Ascot and Royal Windsor racecourses in my constituency, that is me doing my job, regardless of any attempt to skew my clear motives for doing so".