our mission
our mission is simple: to help IB students worldwide by providing top-notch resources at an affordable cost. each of our notes has been written by students who were either predicted or earned a 7 in that subject
we’ve been in your shoes, faced the late-night study sessions and experienced the pressure of exams. now, we want to be the support you need during your IB journey. our goal is to make your academic life a little easier and help you achieve your best in the IB program. together, let’s conquer the challenges and make the most of this incredible learning experience
meet our founder
learn more about the brain behind the45errs
advait bagri
advait is the creator of the 45’ers, having achieved a score of 45 himself in the may’23 exams. he is the author of the hl economics, sl psychology and sl english lang lit notes. he plans to study computer engineering after completing his national service in Singapore
meet our authors
beth kong
beth is the author of the sl mathematics aa and hl psychology notes. she achieved a 45 in the m’23 exams and will be pursuing an integrated masters in psychology at UCL
beth kong
beth is the author of the sl mathematics aa and hl psychology notes. she achieved a 45 in the m’23 exams and will be pursuing an integrated masters in psychology at UCL
aniket chatterjee
aniket is the author of the hl geography notes. he will be studying physics at the university of oxford
aarush yendamuri
aarush is the author of the hl global politics notes. he will be studying law at the university of oxford
yunfei liu
sunny is the author of the sl history notes. he will be studying physics at uchicago after completing his national service
kaitlyn song
kaitlyn is the author of the hl business management and hl history notes. she will be studying business administration at USC
shun yu tong
thompson is the author of the hl comp sci and maths aa notes. he is planning on studying computer science at the university of bath
sky patel
sky is the author of the hl chemistry and hl physics notes. she will be studying dentistry and the university of manchester
ella boecker
ella is the author of the hl english literature notes. her english coursework were all 7’s, and she will be studying game art at at the university of toronto
