Ofsted usually inspects state-funded schools in England roughly every 3 to 5 years, but the exact timing depends on the school’s most recent judgement and circumstances. Ofsted can also inspect at any time if there are serious concerns, so the timetable is not a guaranteed cycle.

Typical inspection frequency

  • Schools judged good or outstanding are normally inspected in some form about every 4 years, though recent framework changes mean the pattern can vary slightly by date of last inspection.
  • Schools judged requires improvement or inadequate are usually given a full graded inspection again after about 2.5 years, often with interim monitoring in between.

Important caveats

  • Ofsted has legal powers to inspect a school at any time if safeguarding, serious complaints, or performance concerns arise, so some schools will be seen earlier than the “normal” window.
  • Inspection timetables have been tweaked in recent years (for example, changes from 2024/25 and the removal of overall effectiveness grades), so schools should always check the latest Ofsted or DfE guidance for the most up-to-date timetable rules.

In practice for staff

  • Many teachers find that in reality their school sees inspectors roughly once within each 3–5‑year span, with shorter gaps if the last outcome was less than good.
  • Forum discussions often describe Ofsted visits as feeling unpredictable within that window, because schools only get very short notice and can be inspected at almost any point in term time.

TL;DR: expect Ofsted around every 3–5 years depending on your last grade, sooner if your school needs improvement, and potentially at any time if there are serious concerns.