Understanding Ofsted Ratings — What the Grades Mean

The 4 Ofsted Grades

Ofsted (the Office for Standards in Education, Children's Services and Skills) inspects schools in England and assigns one of four overall grades. These grades apply to the school's overall effectiveness and to each of the four individual inspection areas.

The 4 Inspection Areas

Each school is assessed against four key areas. These sub-grades feed into the overall effectiveness judgement but are also published individually in the inspection report.

Quality of Education

This is the most heavily weighted area. Inspectors examine the school's curriculum intent (what they plan to teach), implementation (how they teach it), and impact (what pupils actually learn and remember). This goes beyond exam results to assess how well the curriculum is sequenced, how effectively teachers build on prior knowledge, and whether pupils develop deep understanding.

Behaviour and Attitudes

Inspectors assess whether the school creates a calm, orderly environment where pupils can learn. They look at attendance rates, exclusion data, bullying policies, and how well pupils concentrate in lessons. They also consider the attitudes pupils have toward their education.

Personal Development

This area covers how well the school supports pupils' broader development. Inspectors consider character education, SMSC (spiritual, moral, social and cultural development), British values, careers guidance, extracurricular activities, and how well pupils are prepared for life in modern Britain.

Leadership and Management

Inspectors evaluate whether leaders have a clear vision, whether governance is effective, and how well staff are supported and developed. They also assess safeguarding arrangements, which must be effective for a school to receive any grade other than Inadequate.

How Inspections Work

Most schools receive a graded inspection approximately every four years, though the timing varies. Schools judged as Requires Improvement or Inadequate are inspected more frequently.

Graded vs Ungraded Inspections

Ofsted conducts two types of inspection. A graded inspection results in published grades for each area and the overall effectiveness. An ungraded inspection (formerly known as a Section 8 inspection) determines whether the school continues to be Good. If inspectors have concerns during an ungraded inspection, it can be converted to a full graded inspection.

What Happens During an Inspection

Inspectors typically spend one to two days in the school. They observe lessons, review curriculum plans, speak with pupils, staff, and governors, examine safeguarding records, and analyse the school's own self-evaluation. The lead inspector also considers data on attendance, exclusions, and examination results. Parent survey responses from Ofsted Parent View are also taken into account.

The school usually receives one working day's notice before an inspection, though some inspections are unannounced, particularly where safeguarding concerns have been raised.

What "Outstanding" Really Means

An Outstanding rating is the highest grade a school can receive. It indicates that a school excels in all four inspection areas and that the quality of education is exceptional. However, it is important to understand what this grade does and does not tell you.

An Outstanding grade reflects the quality of the school at the time of inspection. Schools can change significantly between inspections, particularly if there have been changes in leadership or staffing. Additionally, Outstanding schools were historically exempt from routine inspection for many years, which meant some had not been inspected for over a decade. This exemption was removed in 2020, and all Outstanding schools are now subject to regular inspection.

A Good school may be an equally strong choice for your child. The difference between Good and Outstanding can be narrow, and other factors such as catchment area, Progress 8 scores, and the school's ethos may matter more for your family's specific circumstances.

Limitations of Ofsted Ratings

While Ofsted ratings are a useful starting point, they have important limitations that parents should be aware of.

• Point-in-time snapshot. An inspection captures one or two days. It does not reflect the full picture of a school's performance over time.
• Inspection frequency. Schools may go several years between inspections, during which standards can rise or fall.
• Context matters. Schools serving different communities face different challenges. A school in an area of high deprivation rated Good may be achieving more than a school in an affluent area with the same grade.
• Subjectivity. Despite Ofsted's inspection framework, individual inspectors exercise professional judgement, which can introduce variability.
• Not a league table. Ofsted grades are not designed to rank schools against each other. Two schools rated Good may differ significantly in character and approach.

For a more rounded picture, consider Ofsted alongside Progress 8 scores, exam results, and your own observations from school visits.