Bexley Grammar SchoolBlackfen School for Girls
Inspection, results, pupils and attendance side by side.
Summary of the comparison
Bexley Grammar School and Blackfen School for Girls are secondary schools.
Bexley Grammar School scores 85 out of 100 (grade A, exceptional) and Blackfen School for Girls scores 55 out of 100 (grade C, average). Bexley Grammar School is ahead on our composite score.
Bexley Grammar School was judged Outstanding and Blackfen School for Girls was judged the expected standard.
On GCSE Attainment 8, the latest published figures are 72.6 for Bexley Grammar School and 46.2 for Blackfen School for Girls.
GCSE Attainment 8 has fallen at Bexley Grammar School (76.9 in 2021-22, 72.6 in 2025-26) and has held broadly level at Blackfen School for Girls (47.8 in 2021-22, 46.2 in 2025-26).
Side-by-side comparison
| Measure | WellingBexley Grammar School | SidcupBlackfen School for Girls | England average |
|---|---|---|---|
| Overview | |||
| Our score | A85/100Stronger figure | C55/100 | |
| Local ranking | 1st of 16 in Bexley Stronger figure | 9th of 16 in Bexley | |
| Inspection | Ofsted: OutstandingStronger figure | Ofsted: Good | |
| School type | Academy converter | Academy converter | |
| Phase | Secondary | Secondary | |
| Age range | 11-18 | 11-18 | |
| Gender | Mixed | Girls | |
| Pupils on roll | 1,504 | 1,324 | |
| Capacity | 1,357 | 1,500 | |
| Location | Welling, DA16 2BL | Sidcup, DA15 9NU | |
| GCSE results | |||
| Attainment 8 | 72.6 Stronger figure | 46.2 | 46.2 |
| Grade 5+ in English & maths | 96.3% Stronger figure | 43.9% | 46.3% |
| Grade 4+ in English & maths | 100.0% Stronger figure | 65.2% | 64.8% |
| Cohort | 189 | 221 | |
| A-level results | |||
| A-level entries | 1 | 135 | |
| A-level average points | Not reported | 34.0 | 35.0 |
| A-level average grade | Not reported | C+ | |
| Best 3 A-levels points | Not reported | 34.7 | 35.8 |
| AAB+ incl. facilitating subjects | Not reported | 2.8% | 17.5% |
| Pupils | |||
| Pupils in the census | 1,502 | 1,402 | |
| Free school meals (ever 6) | 4.2% | 19.4% | |
| English as an additional language | 14.6% | 16.6% | |
| SEN support | 1.3% | 6.3% | |
| SEN with an EHC plan | 1.0% | 3.6% | |
| Attendance | |||
| Overall absence | 4.9% Stronger figure | 9.8% | 6.2% |
| Persistent absence | 11.6% Stronger figure | 27.6% | 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
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.
Bexley Grammar School
Blackfen School for Girls
Full profiles: Bexley Grammar School · Blackfen School for Girls