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VOLUNTARY AIDED SCHOOL · SECONDARY · MIXED
Thornleigh Salesian College
Ages 11–181,576 pupilsFaithRoman Catholic
Thornleigh Salesian College is a secondary school for pupils aged 11 to 18 in Bolton. It has a Roman Catholic religious character. The school has around 1,576 pupils on roll. Recent GCSE results show an average Attainment 8 score of 45 and 44% of pupils gaining a grade 5 or above in English and maths. Families comparing secondary schools in Bolton can view Thornleigh Salesian College's Ofsted rating, GCSE results and exact location free on NestScope.
Ofsted & inspection
Overall effectiveness & sub-judgements
Quality of educationRequires Improvement
Behaviour & attitudesGood
Personal developmentGood
Leadership & managementRequires Improvement
Ofsted no longer issues a single overall grade for state schools (changed September 2024) — the individual judgements are shown here. How to read an Ofsted rating →
Strengths & watch points2 strengths · 3 watch
Computed from Ofsted & DfE outcomes vs England average
Behaviour & attitudes
Personal development
Quality of education
Leadership & management
Progress 8
Computed from published Ofsted judgements & DfE outcomes — not a written review.
GCSE results — Key Stage 4Below average
Attainment 845.7
England avg 45.1 · was 44.8 in 2023/24
Progress 8-0.2
Grade 5+ English & maths41%
England avg 45% · was 45% in 2023/24
Grade 4+ English & maths68%
England avg 65% · was 64% in 2023/24
EBacc entry27%
England avg 39%
EBacc average point score3.86
England avg 4.03
DfE, 2024/25. What is a Progress 8 score?
Sixth form — A-levelB-
A-level grade (point score)B-
APS per entry 36.3
A-level grade (best 3)B-
APS best 3: 37.2
AAB or better14%
Retention89%
Value added+0.01
Average · 95% CI -0.1 to 0.1
DfE 16-18 results, 2024/25
Pupil intake27.1%
Free school meals27.1%
England avg 28.6%
English not first language9.7%
England avg 18.3%
Places filled98%
SEN support
EHC plan
DfE school census, 2025/26
Attendance & staffing90.6%
Attendance90.6%
England avg 91.0%
Pupils per teacher16.0
England avg 17.6
Persistent absence24.9%
England avg 25.8%
Teachers with QTS
DfE — absence & workforce, 2025/26
Nearby schools in Bolton
All schools in Bolton →Holy Infant and St Anthony RC Primary SchoolGood · 0.3 miSt Thomas C of E Primary School, HalliwellGood · 0.6 miEden Boys' School, BoltonOutstanding · 0.7 miYouth Challenge PruOutstanding · 0.5 miSmithills SchoolRequires Improvement · 0.5 miAl-Huda Primary School0.8 mi
See the full area report for BL1 6PQ →