Private Tutors in London and Online

Since 2007 we have helped over 10,000 students fulfil their educational potential. Uniquely, Keystone exclusively employs 60 full-time UK based tutors and also represents a highly select pool of freelance tutors. With offices in London, Hong Kong and Singapore and recommended by head teachers of top independent schools, we have an exceptional reputation for helping students achieve their best; delivering outstanding results, building confidence and instilling life-long intellectual curiosity.

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"Expect highly polished, wow-factor quality, impressive transparency, an emphasis on pedagogy and a genuine commitment to ethics and professionalising the industry."

Read our Good Schools Guide Review

"Britain's Leading Private Tutoring Company"

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"One of the most professional and trustworthy private tutoring organisations in London."

Why parents choose Keystone

School Entrance Exams

Keystone represents an experienced pool of tutors who devise tailored programme to prepare students for 7+, 8+, 11+, 13+ or 16+ entrance exams as well as computerised tests (inculding the ISEB Pre-Test and UKISET).

GCSE, IGCSE, IB & A Level

Keystone represents experienced and professional GCSE, IGCSE, IB and A Level tutors across the subject spectrum. The tutors we introduce to students have a thorough knowledge of the various exam boards.

UK University Entrance

Keystone represents a range of specialist tutors who can assist students approaching university entrance exams and interviews for Oxford, Cambridge and other leading UK universities.

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Tutoring Agency in London & Online

Keystone is unique in employing over 60 UK based professional tutors on a full-time basis. Our employed tutors engage with Keystone's bespoke professional development programme, work exclusively for Keystone on a fully employed basis, and are committed to tutoring as a career and profession. We believe these factors make a unique difference to the level of commitment we can assure, as well as the quality of teaching we can provide. See a fuller list of the tutors we represent here.

FEEDBACK FOR KEYSTONE TUTORS

"I just wanted to update you now that the 11+ is well behind us that our daughter got accepted to both St Paul’s and Godolphin & Latymer. She had worked with two of your tutors and we are so grateful for the preparation and guidance with respect to the process."

Mother of 11+ student

"A great team of wonderful teachers. Their support and steadfast commitment have been paramount to my daughter’s success in the entry exams. Their enthusiasm was addictive, their tutoring skills were beyond excellence and they inspired my daughter with good values, positivity, and confidence."

Parents of 16+ Applicant

"The tutors have been encouraging, guiding and challenging my child to reach his full academic potential. It has been a truly remarkable journey and my child has not only passed the exams but was also offered academic scholarship from two top ranked UK schools."

Mother of 13+ Student

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Upcoming Webinars

Here are details of our upcoming webinars. Do join us live to ask any questions you might have or register below to receive a recording after the event.

How to write a standout personal statement for Oxbridge

Last year, only 16% of applicants successfully gained a place at Oxford or Cambridge. Making your application stand out requires more than just exceptional grades—it demands a personal statement that demonstrates not only your academic achievements but also your passion for your subject and your readiness for the rigours of Oxbridge’s academic environment. Crafting a standout personal statement for an Oxbridge application can be challenging.

How to Write a UCAS Personal Statement- updated for 2026 entry

How has the UCAS Personal Statement Changed?The UCAS personal statement has undergone significant changes for applicants seeking university entry in 2026. Instead of submitting a single 4000-character, one-page document, applicants will now complete a statement divided into three separate sections. UCAS refers to the new format as having a ‘scaffolded structure,’ where applicants will respond to a series of free-text questions.