CranbourneThe Costello School
Inspection, results, pupils and attendance side by side in Basingstoke.
Summary of the comparison
Cranbourne and The Costello School are secondary schools in Basingstoke.
Cranbourne scores 54 out of 100 (grade D, below average) and The Costello School scores 60 out of 100 (grade C, average). The Costello School is ahead on our composite score.
Cranbourne was judged the expected standard and The Costello School was judged the expected standard.
On GCSE Attainment 8, the latest published figures are 42.1 for Cranbourne and 50.4 for The Costello School.
GCSE Attainment 8 has risen at Cranbourne (39.5 in 2021-22, 42.1 in 2025-26) and has held broadly level at The Costello School (50.9 in 2021-22, 50.4 in 2025-26).
Side-by-side comparison
| Measure | BasingstokeCranbourne | BasingstokeThe Costello School | England average |
|---|---|---|---|
| Overview | |||
| Our score | D54/100 | C60/100Stronger figure | |
| Local ranking | 40th of 69 in Hampshire | 26th of 69 in Hampshire Stronger figure | |
| Inspection | Ofsted: Expected | Ofsted: Expected | |
| School type | Community school | Academy converter | |
| Phase | Secondary | Secondary | |
| Age range | 11-16 | 11-16 | |
| Gender | Mixed | Mixed | |
| Pupils on roll | 1,088 | 1,160 | |
| Capacity | 1,200 | 1,120 | |
| Location | Basingstoke, RG21 3NP | Basingstoke, RG21 4AL | |
| GCSE results | |||
| Attainment 8 | 42.1 | 50.4 Stronger figure | 46.2 |
| Grade 5+ in English & maths | 32.9% | 53.3% Stronger figure | 46.3% |
| Grade 4+ in English & maths | 60.8% | 69.6% Stronger figure | 64.8% |
| Cohort | 143 | 227 | |
| Pupils | |||
| Pupils in the census | 987 | 1,222 | |
| Free school meals (ever 6) | 28.3% | 16.6% | |
| English as an additional language | 18.4% | 14.8% | |
| SEN support | 15.7% | 14.2% | |
| SEN with an EHC plan | 6.0% | 3.1% | |
| Attendance | |||
| Overall absence | 9.5% | 8.8% Stronger figure | 6.2% |
| Persistent absence | 24.0% | 22.0% Stronger figure | 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.
Cranbourne
The Costello School
Full profiles: Cranbourne · The Costello School