Whoever WINS in SCHOOL gets GOLDEN BAR - Play Together

Golden Bar challenge will be at school, my girlfriend vs my sister. Both of them are good at school but there are certain subjects that they are having difficulties attaining A+.
Who do you thing will win?
Music in this video:
Song: Elektronomia - Sky High [NCS Release]
Music provided by NoCopyrightSounds
Free Download/Stream: ncs.io/skyhigh
Watch: • Elektronomia - Sky Hig...
Song: Cartoon - Why We Lose (feat. Coleman Trapp) [NCS Release]
Music provided by NoCopyrightSounds
Free Download/Stream: ncs.io/whywelose
Watch: • Cartoon, Jéja - Why We...