Because every theory of knowledge tutor on Spires is a freelance professional, prices are set by sealed-bid auction. For IB Diploma students in London the starting rate is typically Ā£30āĀ£40 per hour, rising for tutors with examiner status or doctoral qualifications. All fees are billed securely through Stripe straight after each tutoring session, with no upfront packages or hidden charges. 93 % of Spires learners report a higher grade after a median 33 hours of tuition, making us exceptional value for money. Find a Theory Of Knowledge Tutor now