Houseroom

Data profile

International British Online School

Independent co-ed all-through school in Lambeth for ages 4–18. Non-selective intake, Anglican ethos.

  • Rank #234
  • Fees £14.2k/yr
  • co-ed
  • Clapham, Lambeth

Outcomes

Where leavers go after sixth form.

US Ivy
1

Top destinations

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

Exam results

A level A*–A and GCSE 9–7, recalibrated for 2026.

A-level A*–A
86%

Recalibrated

GCSE 9–7
40%

Entry points & fees

EntryYearPlacesAssessmentDay fee (max)
13+Year 9—Interview · Non-selective£14.2k
16+Sixth Form—Interview · Non-selective£14.2k
4+Reception—Interview · Observation£14.2k
7+Year 3—School's own exam · Interview£14.2k

Houseroom Index

Our composite score, broken down by pillar.

Index score

74

/ 100

National rank #234

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

Editorial verdict

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

Compare with peers

Schools families applying here also consider.

  • Fees —A*-A 47%Oxbridge 0%Rank #193

    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 #201

    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 £21.8kA*-A 40%Oxbridge 0%Rank #170

    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 SchoolMid Sussex
    Fees £39.1kA*-A 58%Oxbridge 0%Rank #111

    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 £28.7kA*-A 68%Rank #199

    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.

How peers are chosen

Matched on sex, boarding, entry phase, location, fee band, tier and outcomes. Scoring: 0.45 outcome similarity, 0.25 structured, 0.10 embedding, 0.20 AI re-rank. Refreshed yearly and when a profile changes.

Open days, bursaries and how to apply: International British Online School profile →