St Mary's Church of England Primary School

A good voluntary controlled school school in Slough. Explore Ofsted ratings, admissions information, and performance data for St Mary's Church of England Primary School.

Slough, SL12AR Ofsted: Good Age 3-11 Mixed intake
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Performance Score

Overall school rating

56

/ 100

Primary weighted harmonic mean of 3 indicators

Indicators used for Primary schools

KS2 pupils meeting expected standard
60.3
/ 100 normalized
Weight: 40.0%
Raw: 71.0%
KS2 pupils exceeding expected standard
42.5
/ 100 normalized
Weight: 30.0%
Raw: 4.0%
Ofsted inspection outcome
75.0
/ 100 normalized
Weight: 30.0%
Raw: Good

How we weight each phase

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Primary schools

  • KS2 pupils meeting expected standard 40.0%
  • KS2 pupils exceeding expected standard 30.0%
  • Ofsted inspection outcome 30.0%

Secondary schools

  • Progress 8 score 40.0%
  • English & Maths grade 4+ % 30.0%
  • Ofsted inspection outcome 30.0%

All-through schools

  • Progress 8 score 25.0%
  • English & Maths grade 4+ % 20.0%
  • KS2 pupils meeting expected standard 20.0%
  • KS2 pupils exceeding expected standard 15.0%
  • Ofsted inspection outcome 20.0%

Secondary with Sixth Form schools

  • Progress 8 score 20.0%
  • English & Maths grade 4+ % 20.0%
  • Continue in education or training 20.0%
  • Sustained employment 20.0%
  • Ofsted inspection outcome 20.0%

Sixth Form Only schools

  • Continue in education or training 40.0%
  • Sustained employment 30.0%
  • Ofsted inspection outcome 30.0%

Special schools

  • Ofsted inspection outcome 100.0%

Alternative Provision schools

  • Ofsted inspection outcome 100.0%

Independent schools

  • Ofsted inspection outcome 100.0%

Ofsted Inspection

Official inspection outcomes

Good
Overall effectiveness
Good
Last inspected
27 January 2016
Previous grade
Requires Improvement
Quality of education
9
Behaviour & attitudes
9
Personal development
9
Leadership & management
Good
Safeguarding
Effective

Source: Ofsted inspection outcomes. Grades: Outstanding, Good, Requires Improvement, Inadequate.

Contact Information

How to reach this school

Source: GIAS
Address
Yew Tree Road
Slough, SL12AR
Phone
1753534791
Website
stmarys.slough.sch.uk

Location

Find the school on the map

Source: Geocoding
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School Information

Basic details and characteristics

Source: GIAS
URN
109995
Type
Voluntary controlled school
Phase
Primary
Address
Yew Tree Road, Slough, SL1 2AR
Website
www.stmarys.slough.sch.uk
Age range
3-11
Gender
Mixed
Religious character
Church of England
School status
Open
Capacity
682 pupils
Setting
Urban: Nearer to a major town or city
Diocese
Diocese of Oxford
Sixth Form
No
Nursery
Yes

School Performance Data

Official government statistics

Source: DfE

School Demographics

Total Pupils
682
Free School Meals
27.7% (189 pupils)
Special Educational Needs
1.0% (7 pupils)

Daily Attendance

Attendance Rate
93.4%
Good
Persistent Absence
20.9%
Missing 10%+ of school days

Detailed Performance Metrics

Meeting Expected Standard:
71.0%
Exceeding Expected Standard:
4.0%
Reading Score:
107.0
Maths Score:
106.0
Grammar Score:
110.0

Key Performance Indicators

Reading, Writing & Maths (Expected):
71.0 (+12.2 vs average)

Historical Performance

Year Mat Average Read Average
2024 106.0 107.0
2023 103.0 103.0

Historical data shows year-over-year performance trends

Calculated Fields

Derived insights and analysis

Source: Calculated

Class Size Information

Average Class Size
25 pupils
Very Good
Pupils per Year Group
76
Average across all year groups
Total School Size
682 pupils
3-11

Performance Trend

Improving trend (+3.5 per year)

Up 3.5% over 3 years

📈

From the School Website

Information extracted from the school's own website

Source: School Website

Ethos & Values

"Learn. Grow. Achieve. Flourish."

Learn Grow Achieve Flourish Love Respect Peace Wisdom Responsibility Honesty Forgiveness Perseverance Resilience Democracy Rule of Law Individual Liberty Mutual Respect Tolerance

Inclusive Christian vision rooted in Church of England ethos.

Head Teacher's Message

A heartfelt welcome from Headteacher Mrs S Khan, emphasising an inclusive, nurturing environment and a broad, balanced curriculum that supports children to learn, grow, achieve and flourish.

Curriculum Highlights

The 7 Areas of Learning and Development Phonics - Learning to Read Forest School Rhyme of the Week Curriculum Overview Curriculum - Individual Subject Overviews Assessment

Wraparound Care

Breakfast Club: Yes After-School Care: Yes

Breakfast club: 7:30am-8:20am; After-school club: 1:30pm-3:30pm on Fridays; Tuition: 1:30pm-2:30pm on Fridays.

SEND Provision

SEND information including SEND policy, SEND Information Report 2025-26, Local Offer 2025-2026, Accessibility Plan 2021-2024 and related SEND links for parents and children.

Admissions Criteria

Criteria for admission: 1) Children with a Statement naming St Mary’s; 2) Children in Public Care (Looked After); 3) Children with brothers or sisters at the school; 4) Children whose home address is in the catchment area; 5) Children whose parents have selected the school on denominational grounds; 6) Children with strong medical or social grounds supported in writing by a professional; 7) All other applicants. Nursery admissions are handled separately by the Local Authority.

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