(39F) Career Change. Is MSc or BSc uni course worth it?

Hi! I’d really appreciate some advice.

I’ve worked in ESL overseas (South Korea) since 2017, with prior office/admin experience, and I’m planning a career change into information and data science - focused work (e.g. corporate or embassy environments).

I’m currently looking at Information and Data Science courses at the University of Sheffield. I haven’t studied since 2009 & an online MSc attempt in 2021 while working full-time was very stressful.

I’m 39 and trying to choose a realistic, high-employability path. From an employability perspective, is a MSc or BSc the better option, or is there a more gradual route, especially for embassy-type roles? I really appreciate any insight.