School WiselyBeta

Isleworth and Syon School for Boys[1]

Secondary · ages 11–18

Open in the map

Headline results

Attainment 8
A8 46 46.2 2025/26[2]
A-level average grade
AL C+ C+ 2024/25[3]

Results

GCSE (key stage 4)

Attainment 8
46.2 2025/26[2]
Grade 5+ in English & maths
44.4% 2025/26[2]
Grade 7+ in English & maths
17% 2025/26[2]
Progress 8
+0.09 2023/24[4]
Progress 8, 2025/26
Not calculated[5]
Progress 8, 2024/25
Not calculated[5]
Earlier years
Year Attainment 8 Grade 5+ in English & maths Grade 7+ in English & maths Progress 8
2024/25 43.1[6] 38.3%[6]
2023/24 48.2[4] 44.3%[4] +0.09[4]
2022/23 45.5[7] 39%[7] -0.27[7]
2021/22 52[8] 51%[8] +0.08[8]

A level (16–18)

A-level average grade
C+ 2024/25[3]
AAB or better, at least two in facilitating subjects
8.6% 2024/25[3]
All results, 2020/21
Not published (exams cancelled, COVID-19)[9]
All results, 2019/20
Not published (exams cancelled, COVID-19)[9]
Earlier years
Year A-level average grade AAB or better, at least two in facilitating subjects
2023/24 B-[10] 20%[10]
2022/23 C+[11] 26.2%[11]
2021/22 B-[12] 29.3%[12]
2018/19 C[13] 15.6%[13]

Destinations after GCSEs

Sustained education, apprenticeship or employment
91% 2022/23[14]
School sixth form
45% 2022/23[14]
Sixth-form college
1% 2022/23[14]
Further education college
42% 2022/23[14]
Apprenticeship
1% 2022/23[14]
Employment
1% 2022/23[14]
Earlier leavers
Left in Sustained education, apprenticeship or employment School sixth form Sixth-form college Further education college Apprenticeship Employment
2021/22 95%[15] 64%[15] 0%[15] 25%[15] 1%[15] 3%[15]
2020/21 97%[16] 69%[16] 1%[16] 22%[16] 1%[16] 1%[16]
2019/20 95%[17] 59%[17] 0%[17] 35%[17] 0%[17] 1%[17]
2018/19 95%[18] 59%[18] 0%[18] 32%[18] 1%[18] 3%[18]

Destinations after 16–18 study

Sustained education, apprenticeship or employment
80% 2022/23[19]
Education
60% 2022/23[19]
Apprenticeship
1% 2022/23[19]
Employment
20% 2022/23[19]
Earlier leavers
Left in Sustained education, apprenticeship or employment Education Apprenticeship Employment
2021/22 82%[20] 69%[20] 0%[20] 13%[20]
2020/21 90%[21] 72%[21] 0%[21] 18%[21]
2019/20 85%[22] 72%[22] 0%[22] 13%[22]
2018/19 96%[23] 77%[23] 4%[23] 14%[23]

Higher education after 16–18 study

Progressed to higher education
78% 2021/22[24]
Top third of most selective universities
22% 2021/22[24]
Russell Group universities
14% 2019/20[25]
Oxford or Cambridge
1% 2019/20[25]
Earlier leavers
Left in Progressed to higher education Top third of most selective universities Russell Group universities Oxford or Cambridge
2020/21 87%[26] 29%[26]
2019/20 82%[25] 17%[25] 14%[25] 1%[25]
2018/19 81%[27] 18%[27] 13%[27] 0%[27]
2017/18 82%[28] 16%[28] 16%[28] 3%[28]

Shares of the pupils who left in the year shown. Russell Group and Oxford or Cambridge figures were published for leavers up to 2019/20 only.

Ofsted

Latest inspection
14 Nov 2023[29]
Type
S5 Inspection[29]
Report published
18 Dec 2023[29]
Personal development
Good[29]
Quality of education
Good[29]
Overall effectiveness
Good[29]
Behaviour and attitudes
Good[29]
Safeguarding is effective
Yes[29]
Sixth form provision (where applicable)
Good[29]
Effectiveness of leadership and management
Good[29]
Earlier inspections
InspectionTypeOverall
11 May 2022[30] Section 8 inspection of good and outstanding schools[30] No overall grade[30]
7 Feb 2017[31] Maintained Academy and School Short inspection[31] No overall grade[31]

Competition to get in

Applications and offers, Year 7

Applications per place
2.4 Entry Sept 2026[32]
Applications (any preference)
318 Entry Sept 2026[32]
First preferences
82 Entry Sept 2026[32]
Places offered
134 Entry Sept 2026[32]
First preferences per place
0.6 Entry Sept 2026[32]
Earlier years
Entry Applications First preferences Places offered Per place First preferences per place
Entry Sept 2025 285[32] 55[32] 100[32] 2.9[32] 0.6[32]
Entry Sept 2024 389[32] 69[32] 166[32] 2.3[32] 0.4[32]
Entry Sept 2023 422[32] 75[32] 201[32] 2.1[32] 0.4[32]
Entry Sept 2022 441[32] 90[32] 180[32] 2.5[32] 0.5[32]

Character & practicalities

Type
Academy converter[1]
Ages
11–18[1]
Boys / girls
Boys[1]
Admissions
Non-selective[1]
Sixth form
Yes[1]
Boarding
No boarders[1]
Capacity
979[1]
Trust
ISLEWORTH AND SYON SCHOOL FOR BOYS[1]
Local authority
Hounslow[1]
Website
http://www.isleworthsyon.org/[1]
District
Hounslow[33]
Postcode
TW7 5LJ[1]
URN
137940[1]

School details as recorded in Get Information About Schools on 14 Oct 2026.

Pupils

Number on roll
1021 2024/25[34]
English as an additional language
60.4% 2024/25[34]
SEN support
12.3% 2024/25[34]
EHC plan
2% 2024/25[34]
Free school meals in the last 6 years
27.7% 2024/25[34]

Pupils' ethnicity 2025/26

White
28.7%[35]
Mixed
8.8%[35]
Asian
38.9%[35]
Black
9.5%[35]
Any other ethnic group
13.6%[35]
Unclassified
0.5%[35]

The school census's major ethnic groups as shares of the school's pupils, summed by us from the published counts. For information only: never used to rank, filter or colour schools.

Sources

  1. Department for Education: Get Information About Schools: all establishments. Period 2026-10-14, published 2026-10-14. Publication page. Data file. Licence: OGL-3.0.
  2. Department for Education: Performance tables schools data (explore education statistics). Period 2025/26, provisional, published 2026-10-15. Publication page. Data file. Licence: OGL-3.0.
  3. Department for Education: Compare School Performance download: KS5 (16-18) final. Period 2024/25, final. Publication page. Data file. Licence: OGL-3.0.
  4. Department for Education: Compare School Performance download: KS4 final. Period 2023/24, final. Publication page. Data file. Licence: OGL-3.0.
  5. Department for Education: Key stage 4 performance 2024/25: data guidance. Period 2024/25. Archived copy; original. Licence: OGL-3.0.
    Quote
    It is not possible to calculate Progress 8 for academic years 2024/25 and 2025/26 due to gaps in the baseline caused by COVID-19 disruption.
  6. Department for Education: Compare School Performance download: KS4 final. Period 2024/25, final. Publication page. Data file. Licence: OGL-3.0.
  7. Department for Education: Compare School Performance download: KS4 final. Period 2022/23, final. Publication page. Data file. Licence: OGL-3.0.
  8. Department for Education: Compare School Performance download: KS4 final. Period 2021/22, final. Publication page. Data file. Licence: OGL-3.0.
  9. Department for Education: A level and other 16 to 18 results 2020/21. Period 2020/21. Archived copy; original. Licence: OGL-3.0.
    Quote
    Due to the impact of the COVID-19 pandemic, the summer exam series was cancelled in both 2020 and 2021, and alternative processes were set up to award grades.
  10. Department for Education: Compare School Performance download: KS5 (16-18) final. Period 2023/24, final. Publication page. Data file. Licence: OGL-3.0.
  11. Department for Education: Compare School Performance download: KS5 (16-18) final. Period 2022/23, final. Publication page. Data file. Licence: OGL-3.0.
  12. Department for Education: Compare School Performance download: KS5 (16-18) final. Period 2021/22, final. Publication page. Data file. Licence: OGL-3.0.
  13. Department for Education: Compare School Performance download: KS5 (16-18) final. Period 2018/19, final. Publication page. Data file. Licence: OGL-3.0.
  14. Department for Education: Compare School Performance download: KS4 destinations. Period 2022/23, final. Publication page. Data file. Licence: OGL-3.0.
  15. Department for Education: Compare School Performance download: KS4 destinations. Period 2021/22, final. Publication page. Data file. Licence: OGL-3.0.
  16. Department for Education: Compare School Performance download: KS4 destinations. Period 2020/21, final. Publication page. Data file. Licence: OGL-3.0.
  17. Department for Education: Compare School Performance download: KS4 destinations. Period 2019/20, final. Publication page. Data file. Licence: OGL-3.0.
  18. Department for Education: Compare School Performance download: KS4 destinations. Period 2018/19, final. Publication page. Data file. Licence: OGL-3.0.
  19. Department for Education: Compare School Performance download: 16-18 destinations. Period 2022/23, final. Publication page. Data file. Licence: OGL-3.0.
  20. Department for Education: Compare School Performance download: 16-18 destinations. Period 2021/22, final. Publication page. Data file. Licence: OGL-3.0.
  21. Department for Education: Compare School Performance download: 16-18 destinations. Period 2020/21, final. Publication page. Data file. Licence: OGL-3.0.
  22. Department for Education: Compare School Performance download: 16-18 destinations. Period 2019/20, final. Publication page. Data file. Licence: OGL-3.0.
  23. Department for Education: Compare School Performance download: 16-18 destinations. Period 2018/19, final. Publication page. Data file. Licence: OGL-3.0.
  24. Department for Education: Compare School Performance download: 16-18 progression to higher education. Period 2021/22, final. Publication page. Data file. Licence: OGL-3.0.
  25. Department for Education: Compare School Performance download: 16-18 progression to higher education. Period 2019/20, final. Publication page. Data file. Licence: OGL-3.0.
  26. Department for Education: Compare School Performance download: 16-18 progression to higher education. Period 2020/21, final. Publication page. Data file. Licence: OGL-3.0.
  27. Department for Education: Compare School Performance download: 16-18 progression to higher education. Period 2018/19, final. Publication page. Data file. Licence: OGL-3.0.
  28. Department for Education: Compare School Performance download: 16-18 progression to higher education. Period 2017/18, final. Publication page. Data file. Licence: OGL-3.0.
  29. Ofsted: State-funded schools inspections and outcomes. Period 2023/24. Publication page. Data file. Licence: OGL-3.0.
  30. Ofsted: State-funded schools inspections and outcomes. Period 2021/22. Publication page. Data file. Licence: OGL-3.0.
  31. Ofsted: State-funded schools inspections and outcomes. Period 2016/17. Publication page. Data file. Licence: OGL-3.0.
  32. Department for Education: Primary and secondary school applications and offers: school level. Period Entry Sept 2026, final, published 2026-06-29. Publication page. Data file. Licence: OGL-3.0.
  33. Office for National Statistics: Parish to Ward to Local Authority District (May 2026) Lookup in EW. Period 2026-05-01. Publication page. Data file. Licence: OGL-3.0.
  34. Department for Education: Compare School Performance download: School census. Period 2024/25, final. Publication page. Data file. Licence: OGL-3.0.
  35. Department for Education: Schools, pupils and their characteristics: school level underlying data. Period 2025/26, published 2026-06-04. Publication page. Data file. Licence: OGL-3.0.