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EnglandLondonHounslowTW7 7EESt Mary's Catholic Primary School, Isleworth
Primary

St Mary's Catholic Primary School, Isleworth

Primary

Hounslow · Isleworth · TW7 7EE www.smi.hounslow.sch.uk

Pupils
393
cap. 420
Ages
3 - 11
Gender
Mixed
Funding
State
Maintained school
76%
RWM expected · 2024/25
11%
RWM higher · 2024/25
393
Pupils · 2024/25
33%
EAL · 2024/25
13%
Persistent abs. · 2024/25
76%
RWM expected · 2024/25
11%
RWM higher · 2024/25
393
Pupils · 2024/25
33%
EAL · 2024/25
13%
Persistent abs. · 2024/25
Local authorityHounslow
PhasePrimary
School typeMaintained school
Pupil : teacher ratio25.4:1
AdmissionsNot applicable
Religious characterRoman Catholic
StatusOpen

Overview of St Mary's Catholic Primary School, Isleworth · Primary · Hounslow

Finance£6991 spend / pupil£6885 income / pupil2024-25 · CFRView on FBIT

How does this school perform?

Key Stage 2 · 2024/25 · trend since 2016/17

RWM expected standard
76%
-10pp
86%76%65%
'18'19'23'24'25
'25 · 76%
RWM higher standard
11%
+4pp
18%13%7%
'18'19'23'24'25
'25 · 11%

Subject breakdown

Reading expected standard
82%
Reading higher standard
44%
Writing expected standard
85%
Writing higher standard
15%
Maths expected standard
91%
Maths higher standard
35%
Science expected standard
89%
SPAG expected standard
87%
LA AVG 83.32%
SPAG higher standard
53%
LA AVG 47.19%
Reading scaled score
107.0
LA AVG 106.77
Maths scaled score
107.0
LA AVG 106.74
GPS scaled score
108.0

DfE did not publish reading, writing or maths progress for 2023/24 or 2024/25. These year groups had no KS1 assessments (cancelled in 2020 and 2021), so progress could not be calculated. Attainment figures above are still published.

View full history

Pupils & context

2024/25

Pupils on roll
393
Pupil : teacher ratio
25.4
Workforce data · 2025/26
EAL
33%
FSM eligible
11%
SEN
18%
Overall absence
5%
Persistent absence
13%

Contact

Address
South Street, Isleworth, TW7 7EE
Local authority
Hounslow
Telephone
Email

History

All years · Historical DfE data by academic year

Primary — Key Stage 2

Reading, writing and maths attainment and progress scores from DfE.

YearRWM expectedRWM higherReading exp.Reading hi.Writing exp.Writing hi.Maths exp.Maths hi.ScienceSPAG exp.Read. scoreMaths scoreGPS scoreReading prog.Writing prog.Maths prog.SENCohort
2024/2576%11%82%44%85%15%91%35%89%87%107.0107.0108.018%393
2023/2486%7%88%36%90%17%95%45%91%90%107.0109.0110.013%415
2022/2365%15%85%38%73%22%78%27%85%87%107.0105.0107.0+1.90+0.70+0.9011%424
2018/1978%17%85%32%93%30%90%32%90%90%106.0107.0108.0-0.30+1.00-0.409%436
2017/1873%18%85%45%94%24%79%36%97%85%108.0106.0107.0+1.60+0.70+0.107%416
2016/1784%10%90%52%97%26%97%35%100%100%110.0107.0112.0+2.90+0.50+0.505%389

DfE did not publish reading, writing or maths progress for 2023/24 or 2024/25. These year groups had no KS1 assessments (cancelled in 2020 and 2021), so progress could not be calculated. Attainment figures above are still published.

Pupils & absence

YearPupilsPupil:teacherSENEALFSM everAbsencePersistent absence
2024/2539322.818%33%11%5%13%
2023/2441521.413%33%12%5%13%
2022/2342421.311%32%11%6%15%
2021/2243020.411%31%12%6%16%
2020/2142723.610%34%12%
2018/1943626.39%38%10%3%5%
2017/1841624.77%38%8%4%3%
2016/1738926.35%40%5%3%4%

School performance data © Crown copyright. Source: Department for Education.