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  • A Global Family

    We come from over 60 different countries, and leave for some of the best universities around the world.


  • Personalized Education

    We offer inspiring education designed to nurture your child’s strengths, with one of the broadest post-16 curricula in North America.


  • Outstanding Teaching

    Our exam results are well above the global average, thanks to our inspiring and dedicated teachers.

    Maths Teacher

  • Exceptional Individuals

    Your child will grow into a considerate, confident adult, ready to explore a world of opportunities.

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  • Get in Touch

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Keith Mackrell

Keith Mackrell

Assistant Head of Year 10 and Year 11 and Teacher of Mathematics

I graduated from the University of Bath with a First Class Honours degree in Mathematics. I began my teaching career in 2010 at a comprehensive school in the South-East of England. I have enjoyed teaching Mathematics to students of all age groups and abilities, up to and including A-Level. I have held many responsibilities within my department including monitoring the performance of students and acting to improve the delivery of the curriculum. I have also been involved in the pastoral life of the school as an Assistant Head of Year.



I came to the British International School of Houston in order to face new challenges in an exciting and forward-thinking environment. I am looking forward to becoming fully integrated into a new school community and involving myself in the extra-curricular activities that are on offer.

I am a keen footballer, having played for my university side and teams in my local area. I’ve enjoyed spending time touring many parts of Europe by bicycle, including a cycle from London to Rome. I am looking forward to being part of a new culture and experiencing what Texas and the rest of the USA has to offer.