Longdean SchoolThe Adeyfield Academy
Inspection, results, pupils and attendance side by side in Hemel Hempstead.
Summary of the comparison
Longdean School and The Adeyfield Academy are secondary schools in Hemel Hempstead.
Longdean School scores 53 out of 100 (grade D, below average) and The Adeyfield Academy scores 41 out of 100 (grade D, below average). Longdean School is ahead on our composite score.
Longdean School was judged Good and The Adeyfield Academy was judged Good.
On GCSE Attainment 8, the latest published figures are 43.7 for Longdean School and 38.7 for The Adeyfield Academy.
GCSE Attainment 8 has held broadly level at Longdean School (45.0 in 2021-22, 43.7 in 2025-26) and has risen at The Adeyfield Academy (34.9 in 2021-22, 38.7 in 2025-26).
Side-by-side comparison
| Measure | Hemel HempsteadLongdean School | Hemel HempsteadThe Adeyfield Academy | England average |
|---|---|---|---|
| Overview | |||
| Our score | D53/100Stronger figure | D41/100 | |
| Local ranking | 63rd of 81 in Hertfordshire Stronger figure | 77th of 81 in Hertfordshire | |
| Inspection | Ofsted: Good | Ofsted: Good | |
| School type | Academy converter | Academy sponsor led | |
| Phase | Secondary | Secondary | |
| Age range | 11-18 | 11-18 | |
| Gender | Mixed | Mixed | |
| Pupils on roll | 1,436 | 858 | |
| Capacity | 1,500 | 848 | |
| Location | Hemel Hempstead, HP3 8JB | Hemel Hempstead, HP2 4DE | |
| GCSE results | |||
| Attainment 8 | 43.7 Stronger figure | 38.7 | 46.2 |
| Grade 5+ in English & maths | 40.3% Stronger figure | 31.2% | 46.3% |
| Grade 4+ in English & maths | 63.0% Stronger figure | 48.6% | 64.8% |
| Cohort | 238 | 138 | |
| A-level results | |||
| A-level entries | 102 | 24 | |
| A-level average points | 29.2 Stronger figure | 19.5 | 35.0 |
| A-level average grade | C | D | |
| Best 3 A-levels points | 29.8 Stronger figure | 19.8 | 35.8 |
| AAB+ incl. facilitating subjects | 4.9% Stronger figure | 0.0% | 17.5% |
| Pupils | |||
| Pupils in the census | 1,443 | 817 | |
| Free school meals (ever 6) | 27.9% | 34.2% | |
| English as an additional language | 13.2% | 14.2% | |
| SEN support | 24.2% | 20.3% | |
| SEN with an EHC plan | 5.9% | 2.8% | |
| Attendance | |||
| Overall absence | 9.7% Stronger figure | 10.3% | 6.2% |
| Persistent absence | 25.2% Stronger figure | 32.4% | 15.8% |
marks the stronger figure on measures with a clear direction. Rows describing a school's intake, such as free school meals, English as an additional language and SEN, carry no marker: they describe who a school serves, not how well it serves them.
Historical trends
Each solid line is one school; the dashed line is the national average.
GCSE Attainment 8
GCSE Progress 8
A-level average points
Overall absence
Free school meal eligibility (ever 6)
Pupils on roll
Ethnicity over time
One panel per school: the largest groups across this comparison, one colour per group, on a shared scale.
Longdean School
The Adeyfield Academy
Full profiles: Longdean School · The Adeyfield Academy