Debenham High SchoolThomas Mills High School & Sixth Form
Inspection, results, pupils and attendance side by side.
Summary of the comparison
Debenham High School and Thomas Mills High School & Sixth Form are secondary schools.
Debenham High School scores 71 out of 100 (grade B, strong) and Thomas Mills High School & Sixth Form scores 60 out of 100 (grade C, average). Debenham High School is ahead on our composite score.
Debenham High School was judged Good and Thomas Mills High School & Sixth Form was judged Good.
On GCSE Attainment 8, the latest published figures are 51.5 for Debenham High School and 47.8 for Thomas Mills High School & Sixth Form.
GCSE Attainment 8 has fallen at Debenham High School (55.9 in 2021-22, 51.5 in 2025-26) and has held broadly level at Thomas Mills High School & Sixth Form (49.7 in 2021-22, 47.8 in 2025-26).
Side-by-side comparison
| Measure | StowmarketDebenham High School | WoodbridgeThomas Mills High School & Sixth Form | England average |
|---|---|---|---|
| Overview | |||
| Our score | B71/100Stronger figure | C60/100 | |
| Local ranking | 1st of 43 in Suffolk Stronger figure | 11th of 43 in Suffolk | |
| Inspection | Ofsted: Good | Ofsted: Good | |
| School type | Academy converter | Academy converter | |
| Phase | Secondary | Secondary | |
| Age range | 11-16 | 11-18 | |
| Gender | Mixed | Mixed | |
| Pupils on roll | 714 | 1,056 | |
| Capacity | 625 | 1,170 | |
| Location | Stowmarket, IP14 6BL | Woodbridge, IP13 9HE | |
| GCSE results | |||
| Attainment 8 | 51.5 Stronger figure | 47.8 | 46.2 |
| Grade 5+ in English & maths | 55.1% Stronger figure | 44.2% | 46.3% |
| Grade 4+ in English & maths | 77.2% Stronger figure | 69.8% | 64.8% |
| Cohort | 136 | 172 | |
| A-level results | |||
| A-level entries | Not reported | 109 | |
| A-level average points | Not reported | 30.6 | 35.0 |
| A-level average grade | Not reported | C | |
| Best 3 A-levels points | Not reported | 31.8 | 35.8 |
| AAB+ incl. facilitating subjects | Not reported | 9.5% | 17.5% |
| Pupils | |||
| Pupils in the census | 699 | 1,001 | |
| Free school meals (ever 6) | 13.4% | 18.6% | |
| English as an additional language | 1.0% | 3.8% | |
| SEN support | 7.0% | 5.5% | |
| SEN with an EHC plan | 2.6% | 2.5% | |
| Attendance | |||
| Overall absence | 6.7% Stronger figure | 8.2% | 6.2% |
| Persistent absence | 16.3% Stronger figure | 20.4% | 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
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.
Debenham High School
Thomas Mills High School & Sixth Form
Full profiles: Debenham High School · Thomas Mills High School & Sixth Form