St Mark's Catholic SchoolHeston Community School
Inspection, results, pupils and attendance side by side in Hounslow.
Summary of the comparison
St Mark's Catholic School and Heston Community School are secondary schools in Hounslow.
St Mark's Catholic School scores 87 out of 100 (grade A, exceptional) and Heston Community School scores 64 out of 100 (grade C, average). St Mark's Catholic School is ahead on our composite score.
St Mark's Catholic School was judged Outstanding and Heston Community School was judged Good.
On GCSE Attainment 8, the latest published figures are 62.7 for St Mark's Catholic School and 46.9 for Heston Community School.
GCSE Attainment 8 has held broadly level at St Mark's Catholic School (63.1 in 2021-22, 62.7 in 2025-26) and has fallen at Heston Community School (51.5 in 2021-22, 46.9 in 2025-26).
Side-by-side comparison
| Measure | HounslowSt Mark's Catholic School | HounslowHeston Community School | England average |
|---|---|---|---|
| Overview | |||
| Our score | A87/100Stronger figure | C64/100 | |
| Local ranking | 1st of 20 in Hounslow Stronger figure | 13th of 20 in Hounslow | |
| Inspection | Ofsted: OutstandingStronger figure | Ofsted: Good | |
| School type | Academy converter | Academy converter | |
| Phase | Secondary | Secondary | |
| Age range | 11-18 | 11-19 | |
| Gender | Mixed | Mixed | |
| Pupils on roll | 1,214 | 1,311 | |
| Capacity | 1,213 | 1,395 | |
| Location | Hounslow, TW3 3EJ | Hounslow, TW5 0QR | |
| GCSE results | |||
| Attainment 8 | 62.7 Stronger figure | 46.9 | 46.2 |
| Grade 5+ in English & maths | 76.1% Stronger figure | 46.5% | 46.3% |
| Grade 4+ in English & maths | 87.0% Stronger figure | 65.5% | 64.8% |
| Cohort | 184 | 200 | |
| A-level results | |||
| A-level entries | 135 | 83 | |
| A-level average points | 38.2 Stronger figure | 35.5 | 35.0 |
| A-level average grade | B- | B- | |
| Best 3 A-levels points | 38.1 Stronger figure | 35.8 | 35.8 |
| AAB+ incl. facilitating subjects | 17.8% | 18.5% Stronger figure | 17.5% |
| Pupils | |||
| Pupils in the census | 1,215 | 1,323 | |
| Free school meals (ever 6) | 13.8% | 36.0% | |
| English as an additional language | 56.9% | 49.1% | |
| SEN support | 10.1% | 4.6% | |
| SEN with an EHC plan | 2.7% | 3.9% | |
| Attendance | |||
| Overall absence | 5.3% Stronger figure | 7.1% | 6.2% |
| Persistent absence | 12.2% Stronger figure | 17.8% | 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.
St Mark's Catholic School
Heston Community School
Full profiles: St Mark's Catholic School · Heston Community School