I really think you at be over estimating the computational requirements or usage you will require
My eldest now with a Phd and a lecturer in a prestigious engineering biased Uni and my middle son with a Bsc in engineering now working in worlds 4 largest construction company both used 11" or 13" MBA for Uni. My eldest now uses a rMB for personal use and W10 for work where my middle son has ditched Apple as it's not suitable in his real world and uses a SP4.
I also work in heavy engineering and there are 100's of engineers and designers around me who's daily job is running complex analysis on some of the worlds biggest structures (how did they do that type) and designers building huge complex 3D models for construction/clash detection/BOM's etc in addition to 2d AutoCAD that our civil and structural department use. This is all run on very modest 4 or 5 year old off the shelf dell or hp desktops that are worth 1 or 2 $100 at most and far less capable than the latest laptops.
Unless you are doing an occasional bit of 3D rendering of more Architectural discipline, generally you cannot spend that amount of man-hours building something that complex like a full time professional, you will have too much other course work
If you like or need the real estate is the only reason to get a large laptop, but again this is only for 100's of hours of work
In truth portability, ssd size, then CPU should be your priority within your budget. Bootcamp will better for you in the long run IMO and swapping between is not as troublesome as you may think
If you really only want to play with MacOS (FCP etc) then you could, as you have noted get a good portable Win10 laptop and pick up a 2nd hand MBA or rMB to play with and still have change, probably, than opting for a 15" MBP 2016, ie your may be paying an awful lot of Apple premium maybe for nothing
Additionally with a new Win10 laptop I expect it will also have additional benefits if it has some 2 in 1 features, touch or pen input just simply gives you more options for your Uni work and pleasure and the savings in £/$ will help your social life too