Data profile

International British Online School

Independent co-ed all-through school in Lambeth for ages 5–18. Non-selective intake, Anglican ethos.

  • Rank #197
  • ISI Standards met
  • Fees £14.2k/yr
  • co-ed
  • SW4 7DE

01 · Module

Outcomes

Where leavers go after sixth form.

US Ivy
1

Top destinations

  • Imperial College London
  • King's College London
  • UCL
  • Surrey
  • Loughborough
  • York
  • Yale

02 · Module

Exam results

A-level top grades and GCSE 9–7, post-2026 methodology recalibration.

A-level A*–A
86%

Recalibrated

GCSE 9–7
40%

03 · Module

Entry points & fees

Ages, deadlines and annual fees per route.

EntryYearPlacesAssessmentDay fee (max)
11+Year 7£14.2k
13+Year 9£14.2k
16+Sixth Form£14.2k
4+Reception£14.2k
7+Year 3£14.2k

04 · Module

Houseroom Index

Composite score blending owned data with external consensus.

Index score

73

/ 100

National rank #197

Academic68
Destinations60
Future-ready69
Pastoral82
Value-add72
Access & breadth75
Parent70
External consensus70

05 · Module

Inspections

Latest inspection rating and report.

ISI

Standards met

Inspected 2025-12-02

Provision at the school meets the requirements of the BSO Standards. The proprietor, together with the individual headteachers of the primary and secondary sections of the school, are effective in fulfilling the requirements of the BSO Standards to actively promote pupils' wellbeing. They do this by ensuring that the school development plan clearly mirrors and reflects the requirements of the BSO Standards to provide an English based curriculum for pupils, the majority of whom are bilingual.

Read full report →

07 · Module

Editorial verdict

Houseroom's view of the school.

head

Principal Dr Farshad Mohammadi Since 2019, Dr Farshad Mohammadi, founding principal. Previously chief inspector for the Ministries of Education for GCC countries, where he unearthed some pretty hair-raising revelations about British curriculum schools out there: ‘Some had no

ethos

Founded in 2019 with just three students. Families feel it stands out for being the next best thing to a bricks-and-mortar school. The fact that there really is one helps. The Clapham Common based school has 13 classrooms (small – think whiteboard,

teaching

In 2025, 67 per cent 9-7 at GCSE; 54 per cent A\*/A at A level (82 per cent at A\*-B). In 2024, 18 per cent 9-7 at GCSE; 23 per cent A\*/A at A level (47 per cent at A\*-B). ### Teaching & learning Daily live lessons via Microsoft Teams. Screentime galore, then, albeit with snatches of stretching which we saw teachers build into lessons to stop the dreaded screentime fatigue (not to mention a numb bum). ‘The teaching is very interactive, so it 15:1 Pupil to teacher ratio View all data 10 Average class sizes View all data

08 · Module

Compare with peers

The schools a family applying here would also be considering — chosen by sex, boarding, entry phase, geography, fees, tier and outcomes, with an admissions-adviser AI re-rank.

  • Fees A*-A 47%Oxbridge 0%Rank #121

    London Park Schools shares the ambiguous co-ed day pattern, overlaps entry phases 11+ to 18, is within 5km commute, and has a selective ethos matching the target's profile.

  • 2Lycee Francais Charles de GaulleKensington and Chelsea
    Fees A*-A 68%Oxbridge 0%Rank #124

    Lycee Francais Charles de Gaulle is a co-ed day school with selective entry, located 5km away, and fees likely comparable given its independent all-through status.

  • Fees A*-A 40%Oxbridge 0%Rank #116

    Sylvia Young Theatre School is a co-ed day independent school with selective entry, located 7km away, overlapping the 11+ to 18 entry phases.

  • 4Worth SchoolWest Sussex
    Fees A*-A 58%Oxbridge 0%Rank #92

    Worth School offers ambiguous co-ed day or boarding with selective entry, overlaps 11+ to 18 phases, and is in a similar fee/selectivity tier despite being 41km away.

  • Fees A*-A 68%Rank #102

    LSI Independent College is a co-ed day selective sixth-form college overlapping the 16+ entry phase, located 11km away, and in a similar selectivity tier.

Peers refreshed annually plus on-write. Filters: sex, boarding, entry phase, geography, fee band, tier. Scoring: 0.45 outcome similarity + 0.25 structured + 0.10 embedding + 0.20 AI re-rank.

Looking for open days, prospectus, bursaries or to apply? Visit the International British Online School school profile →