Isleworth and Syon School for Boys: admissions history
How many families applied, how many places there were, and how far the last place went - every year we hold.
For September 2026 entry, 82 families put Isleworth and Syon School for Boys as their first choice and 318 named it as one of their preferences, for 134 places offered. It had fewer first-choice applications than places, so in 2026 a family who put it first could expect an offer unless the school's other criteria ruled them out.
Demand has been fairly steady: 77 first choices in 2021, against 82 in 2026.
Across Hounslow, 69% of families were offered their first-choice secondary school for 2026 entry, and 96% were offered one of the schools they named.
In 2025, families in Hounslow lodged 145 appeals against secondary school offers; 128 reached a hearing and 9 succeeded (7% of those heard).
Applications and offers by year
| Entry year | Places offered | First choices | Named at all | First choices per place | First choices not offered |
|---|---|---|---|---|---|
| 2026 | 134 | 82 | 318 | 0.6 | 0 |
| 2025 | 100 | 55 | 285 | 0.6 | 0 |
| 2024 | 166 | 69 | 389 | 0.4 | 0 |
| 2023 | 201 | 75 | 422 | 0.4 | 0 |
| 2022 | 180 | 90 | 441 | 0.5 | 0 |
| 2021 | 206 | 77 | 392 | 0.4 | 0 |
| 2020 | 237 | 106 | 461 | 0.4 | 0 |
| 2019 | 238 | 105 | 500 | 0.4 | 0 |
| 2018 | 180 | 107 | 471 | 0.6 | 0 |
| 2017 | 240 | 157 | 562 | 0.7 | 2 |
| 2016 | 178 | 125 | 511 | 0.7 | 10 |
| 2015 | 174 | 109 | 501 | 0.6 | 3 |
| 2014 | 173 | 117 | 475 | 0.7 | 1 |
Source: DfE, Primary and secondary school applications and offers (school-level file). "Places offered" is the number of offers made on national offer day, which can differ from the school's published admission number.