ISI Inspection Reports

The latest ISI inspection took place in April 2017. The Educational Quality Inspection Report and the Focused Compliance Inspection Report can be viewed below.

Educational Quality Inspection Report

The headline judgements must include one of the ISI descriptors 'excellent', 'good', 'sound' or 'unsatisfactory'. 

Charterhouse was deemed to be 'excellent' in all of the headline judgements.

ISI Educational Quality Inspection Report 2017 | PDF (155KB

Some highlights from the Educational Quality Inspection report

  • “..... pupils' academic and other achievements are high and often exceptional.”
  • “Pupils are highly-confident, self-assured independent learners who are well prepared for the next stage of their lives.”
  • "Pupils' social development is outstanding."

  ISI Inspection Report 2017

The quality of the pupils' academic and other achievements is excellent.

  • Pupils' academic and other achievements are high and often exceptional.
  • Pupils demonstrate excellent linguistic skills. They are articulate and show high levels of competency in speaking, listening, reading and writing.
  • Pupils demonstrate excellent numerical and analytical skills.
  • Pupils display confidence and competence in their ability to apply mathematical and scientific knowledge across relevant curriculum subjects.
  • Academic teaching... stimulates pupils' interest and inspires them to deepen their knowledge.
  • Pupils exhibit excellent knowledge, skills and understanding across a wide range of subjects. Their learning develops strongly as a result of their excellent independent study and research skills.
  • Pupils' successes in external competitions, in academic distinctions and in sport, music and the creative and aesthetic arts are exceptional.
  • Pupils, including those with SEND and EAL, develop excellent knowledge, skills and understanding across the curriculum and achieve highly.
  • More able pupils achieve exceptionally well. They are challenged to think critically and analytically in highly demanding lessons through the extended academic programme, including the extended essay research project, and the exceptional extensive creative arts and music programmes.

The quality of the pupils' personal development is excellent.

  • Pupils make an excellent contribution to their school community. They build exceptionally strong relationships and friendships through their boarding houses. 
  • Older pupils learn to prioritise their time well. They balance academic work and extra-curricular commitments together with a leadership role in school, ably supported and guided by senior house staff and tutors.
  • Pupils demonstrate an exceptional aesthetic and cultural consciousness. They appreciate the non-material aspects of life, expressed in their art and music and in the opportunities provided in chapel and in the small groups who meet to discuss the spiritual aspects of life.
  • The moral development of pupils is excellent.
  • Pupils are polite, courteous and respectful of one another and of the adults who care for them. Relationships between pupils and staff are excellent.
  • Pupils contribute exceptionally well to their boarding houses and to the school. They actively support one another, recognising individual differences and needs. Older pupils take on leadership conscientiously, contributing to their preparation for later life as responsible citizens.
  • Pupils appreciate their own and others' cultures, and demonstrate unstinted tolerance and respect towards those from different backgrounds and traditions.
  • Pupils mature into independent and self-motivated pupils over the course of their time at school and are extremely well prepared, not only for the next stage of their lives, but also to contribute to society at large.


The Focused Compliance Inspection reports only on the School's compliance with the Independent School Standards Regulations and the National Minimum Standards for Boarding Schools. The standards represent minimum requirements and judgements are given either as 'met' or as 'not met'.

The standards relating to the quality of education at Charterhouse are met.

The standards relating to spiritual, oral, social and cultural development are met.

ISI Focused Compliance Inspection Report 2017| PDF (155KB

The Independent Schools Inspectorate

The Independent Schools Inspectorate (ISI) is a body approved by the Secretary of State for Education and Skills for the purpose of inspecting independent schools in the Independent Schools Council under Section 162 of the Education Act 2002. The purposes of inspection are to ensure that standards are maintained and that schools comply with the relevant legal requirements. Recommendations are included to help schools improve.

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