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OpenSecondaryOfsted: Not judgedURN 137965

Blackfen School for Girls

Academy converter · Sidcup · DA15 9NU

Ages 11–18 · 1,324 pupils · Bexley

School website

Ofsted

Not judged

Attainment 8

46.9

Overall absence

10.4%

Admissions demand

0.63 · Often has places

Ofsted

Latest published inspection outcomes — not a ranking.

Read full report

Headline

Not judged

Inspection date

2025-03-11

Overall effectiveness
Not judged
Quality of education
Good
Behaviour and attitudes
Good
Personal development
Good
Leadership and management
Good
Safeguarding effective
Yes

Source: Ofsted monthly management information

Performance

Official school-level results. Figures are not rankings — suppressed values are omitted.

Key stage 4 (2023/24)

Progress 8-0.14
−20+2
Attainment 846.9
English & maths grade 5+46%
English & maths grade 4+68%
EBacc entry22%

EBacc APS: 3.9

Source: DfE school and college performance tables

Absence

Academic year 2023/24. Persistent absence means 10%+ of sessions missed. Lower figures are better.

Overall absence10.4%
Persistent absence (10%+)31.1%
Unauthorised3.5%
Authorised absence
6.9%
Severe absence (50%+)
4.2%
Enrolments in measure
1,180

Absence trend

2021/22

2022/23

2023/24

  • Overall
  • Persistent (10%+)

Source: DfE pupil absence in schools in England

Admissions demand

Coordinated admissions for secondary entry (2024/25 cycle, national offer day). Demand ratio compares families who listed this school 1st with total offers made — not a catchment or distance guarantee.

Demand ratio

0.63 · Often has places

1st preferences

116

Places offered

223

1st-preference offers

116

Total preferences (any rank)
554
Preferred offers (top 3)
216
Applications from outside LA
84
Offers to outside-LA applicants
27
Admissions policy (GIAS)
Non-selective

Source: DfE primary and secondary school applications and offers. Figures reflect offers on national offer day; late applications, appeals and waiting lists are not included.

Size & intake

From the GIAS school census (15 Jan 2026).

Capacity fill88%

1,324 pupils · 1,500 places

Pupils on roll
1,324
Boys / girls
84 / 1,240
School capacity
1,500
Capacity fill
1,324 / 1,500 (88%)
Free school meals
16.4%
FSM pupils
171
Admissions policy
Non-selective
Gender
Girls
School type
Academy converter

Age range

Ages 11–18

05111619

Provision

Official GIAS characteristics

3 / 6

  • Nursery
  • Sixth formHas a sixth form
  • Boarding
  • Special school
  • Independent
  • Academy

School characteristics

Special classes
Has Special Classes
Governance
Academy trust: BLACKFEN SCHOOL FOR GIRLS
Academy trust
BLACKFEN SCHOOL FOR GIRLS
Headteacher
Ms Carrie Senior

Location

Address
Blackfen Road
Postcode
DA15 9NU
Town
Sidcup
County
Kent
Local authority
Bexley
District
Bexley
Constituency
Old Bexley and Sidcup
Urban/rural
Urban: Nearer to a major town or city

SEN & specialist provision

As recorded in GIAS — provision detail, not an Ofsted judgement.

SEN types
SLCN - Speech, language and Communication
Special classes
Has Special Classes
Resourced provision
Resourced provision
Resourced places
28 on roll / 28 capacity

Local context

How this school sits among open establishments in its area, using official GIAS records. These are counts, not rankings.

Girls academy converter (secondary), Ages 11–18, in Sidcup, Bexley, 1,324 pupils on roll. Notable characteristics: sixth form, academy, special school, non-selective admissions. Free school meals: 16.4%. SEN provision includes: SLCN - Speech, language and Communication.

Open schools in Sidcup
22
Secondary schools in Sidcup
5
Academies among open schools in Sidcup
55% (12)
Open schools in DA15
14
Secondary in DA15
3
Open schools in Bexley LA
92
Secondary in Bexley LA
15

Nearby secondary schools

Open schools within about 3 miles, prioritising the same phase where possible. Distances are approximate from GIAS coordinates.

Compare with theseAll in SidcupNear DA15

  • Bexley Grammar School

    Ofsted: Outstanding

    Academy converter · Secondary

    Welling · DA16 2BL · Bexley

    Ages 11–18

    • Att874.7
    • P80.5
    • EM5+98%
    • Absence3.3%

    0.6 miles away

  • Hurstmere School

    Ofsted: Requires improvement

    Academy converter · Secondary

    Sidcup · DA15 9AW · Bexley

    Ages 11–16

    • Absence7.4%
    • FSM15.8%

    0.7 miles away

  • Chislehurst and Sidcup Grammar School

    Ofsted: School remains Good

    Academy converter · Secondary

    Sidcup · DA15 9AG · Bexley

    Ages 11–18

    • Att876.0
    • P80.8
    • EM5+97%
    • Absence4.1%

    0.9 miles away

  • Townley Grammar School

    Ofsted: Outstanding

    Academy converter · Secondary

    Bexleyheath · DA6 7AB · Bexley

    Ages 11–18

    • Att876.2
    • P80.7
    • EM5+97%
    • Absence3.7%

    1.2 miles away

  • Harris Academy Falconwood

    Ofsted: Good

    Academy sponsor led · Secondary

    Welling · DA16 2PE · Bexley

    Ages 11–18

    • Att845.8
    • P8-0.0
    • EM5+41%
    • Absence6.6%

    1.2 miles away

  • Welling School

    Ofsted: Needs attention

    Academy converter · Secondary

    Welling · DA16 1LB · Bexley

    Ages 11–18

    • Att836.7
    • P8-0.8
    • EM5+29%
    • Absence12.7%

    1.3 miles away

  • Cleeve Park School

    Ofsted: Good

    Academy converter · Secondary

    Sidcup · DA14 4JN · Bexley

    Ages 11–18

    • Att843.6
    • P8-0.2
    • EM5+38%
    • Absence9.9%

    1.4 miles away

  • Leigh Stationers' Academy

    Ofsted: Good

    Academy converter · Secondary

    London · SE9 2PT · Greenwich

    Ages 11–18

    • Att845.5
    • P8-0.3
    • EM5+49%
    • Absence7.8%

    1.6 miles away

New to reading school data? See Ofsted ratings explained and how to compare schools.

Contact

Headteacher
Ms Carrie Senior
Telephone
02083031887
Website
www.blackfenschoolforgirls.co.uk

Official links