Watford secondary schools league table 2025
Secondary and all-through schools teaching Key Stages 3 and 4. Ranked by the Success Index (England) from official English data; 6 schools in Watford, East of England. Rank positions shown on each profile are within England and East of England.
- 194Watford Grammar School for BoysWatford · Academy Secondary68.9 Attainment 8 · 1,590 students
- 294Parmiter's SchoolWatford · Academy Secondary66.5 Attainment 8 · 1,496 students
- 394Watford Grammar School for GirlsWatford · Academy Secondary68.2 Attainment 8 · 1,427 students
- 473Saint Michael's Catholic High SchoolWatford · Academy Secondary50.9 Attainment 8 · 1,130 students
- 541Westfield AcademyWatford · Academy Secondary41.4 Attainment 8 · 1,331 students
- 629Future Academies WatfordWatford · Academy Secondary39.8 Attainment 8 · 1,060 students
| # | School | Sector | Success Index (England) | Key result | Students |
|---|---|---|---|---|---|
| 1 | Watford Grammar School for Boys Watford · Secondary · Ages 11–18 | Academy | 94.3 Top 5% | 68.9 Attainment 8 | 1,590 |
| 2 | Parmiter's School Watford · Secondary · Ages 11–18 | Academy | 94.2 Top 5% | 66.5 Attainment 8 | 1,496 |
| 3 | Watford Grammar School for Girls Watford · Secondary · Ages 11–19 | Academy | 93.9 Top 5% | 68.2 Attainment 8 | 1,427 |
| 4 | Saint Michael's Catholic High School Watford · Secondary · Ages 11–18 | Academy | 72.9 Top 25% | 50.9 Attainment 8 | 1,130 |
| 5 | Westfield Academy Watford · Secondary · Ages 11–18 | Academy | 41.2 Lower 50% | 41.4 Attainment 8 | 1,331 |
| 6 | Future Academies Watford Watford · Secondary · Ages 11–18 | Academy | 29.2 Lower 50% | 39.8 Attainment 8 | 1,060 |
Watford Grammar School for Boys in Watford leads the 2025 list of secondary schools in Watford with a Success Index (England) of 94.3. Of the 6 schools shown, 6 are academy.
For the full picture see the wider East of England secondary schools league table, every school on the Watford page, or the comparison tool to put a shortlist side by side.
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Frequently asked questions
What is the best secondary school in Watford?
Watford Grammar School for Boys in Watford, East of England ranks first among secondary schools in Watford with a Success Index (England) of 94.3 out of 100 (Pupils on roll: 1,590).
How are secondary schools in Watford ranked?
Each school's Success Index (England) combines 9 factors: ks2: reading, writing & maths expected standard (35%), ks2: higher standard (20%), ks2: reading progress (10%), ks2: maths progress (10%), progress 8 (20%), attainment 8 (30%), grade 5+ in english & maths (15%), a level points per entry (10%), community advantage (fewer pupils on free school meals) (15%). Each factor is a percentile against schools of the same type across England. Schools with fewer than 60 students are excluded from rankings.
Are these 2025 rankings official?
No. They are computed by Success Tutoring from official English data (DfE – Get Information About Schools; DfE – Compare school and college performance). Independent schools rarely appear in the performance tables, so most receive no attainment components and no score.