Best secondary schools in Thundersley and South Benfleet (2026)
Thundersley and South Benfleet has 3 ranked secondary schools with published results. The top-ranked is The King John School, in the top 27% in England. The average Attainment 8 here in 2025 was 41.2, against 46.1 for England. 0 are in England's top 10%, and 0 are rated Outstanding by Ofsted. Thundersley and South Benfleet has no grammar schools.
| Rank | School | Attainment 8 (2023–2025 average) | Attainment 8 2025 | Trend | Grade 5+ Eng & maths | Ofsted |
|---|---|---|---|---|---|---|
1 Top 27% in England |
The King John School Thundersley and South Benfleet |
50.9 | 49.6 | 50% | Report card | |
2 Bottom 37% in England |
Harris Academy Benfleet Thundersley and South Benfleet |
42.8 | 39.6 | 32% | No rating | |
3 Bottom 6% in England |
The Deanes Thundersley and South Benfleet |
35.8 | 34.4 | 17% | Good |
Other towns in Essex
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Questions
What is the best secondary school in Thundersley and South Benfleet?
On exam results over the last three years, The King John School is the top-ranked secondary school in Thundersley and South Benfleet, in the top 27% of schools in England.
How are the schools ranked?
By published Department for Education exam results averaged over three years: for secondary schools, Attainment 8 plus a quarter of the share getting grade 5+ in English and maths; for primary schools, the share reaching the expected standard in reading, writing and maths plus half the share reaching the higher standard. The order uses the three-year average, so a school can rank above one with a higher single-year result. Schools with fewer than 10 pupils taking the tests are not ranked. Exam results are only part of the picture: visit, read the Ofsted report and check admissions rules, as living nearby does not guarantee a place.