ACS International School Cobham

Boardingly Worldly ranking

The Worldly ranking measures a school's external standing from publicly sourced signals — academic results, press coverage, alumni and awards — scored out of 100. Signal coverage: 60%.

About this school

The gates at Cobham open onto 128 acres of Surrey, and somewhere on that expanse sits a school built not around a chapel or a founding headmaster's portrait, but around the fact of departure and arrival. ACS International School Cobham was founded in 1967 to serve families who move for work, the diplomatic and corporate families whose children need an education that travels well. That is the first thing to understand about this place. It is American in origin, international in intake, and unashamedly designed for the child whose passport gets used.

The foundation educates more than 2,000 pupils aged 2 to 18, drawn from over 70 countries, so a family should hold that headline number carefully. The senior boarding community is a fraction of it, and the two-year-olds in the figure are not, one assumes, packing a trunk. This is a large through-school with a boarding element folded inside a much bigger day operation, and that structure is neither good nor bad in itself. It simply means the questions change. Any family weighing full boarding should ask directly how many pupils actually board, what the age spread of the houses is, what share of them stay in at weekends, and what the staffing ratio is after dark. Those are not rhetorical flourishes. They are the questions that decide whether boarding here feels residential or supplemental, and no brochure will answer them as honestly as a Tuesday evening walk through a house will.

What ACS understands well is the condition of the internationally mobile child, which can be an unmoored one. A pupil who has already lived in three countries arrives to find that this is the norm rather than the oddity, and there is real formation in that. It teaches a young person that difference is ordinary, that the world is larger than any single flag, and that you make friends across it rather than despite it. For the child whose life already crosses borders, that is useful preparation for adult life, arguably more so than any single grade.

On the Boardingly Worldly scorecard the school sits at 33 out of 100, in our Regional band, and the score deserves reading with its seams showing. It is a measure built partly on public visibility and heritage prestige, which is exactly the kind of currency an international-curriculum school is least likely to trade in, so a low number here does not mean a weak school. It means a school whose strengths lie elsewhere than in old British networks. Forward Thinking scores a respectable 66, reflecting real investment in artificial intelligence, future-curriculum design and sustainability, which is to say the school is looking at what a child will need in twenty years rather than polishing what worked in the last twenty. Bragging Rights sits at 67, resting on BSA and HMC membership and the 1967 founding, so the institutional credentials are sound if not ancient. The Trophy Cabinet reads 89 on an awards sample of six, which tells you the evidence is thin rather than the shelves groaning; treat the number with suspicion and ask the school what it actually refers to.

The two figures at the bottom need the most honesty. Alumni Power stands at 28, built on two identifiable former pupils, and In the Public Eye is 32 with little behind it. I will not dress these up as a verdict on the school's real network, because two famous names is a poor proxy for the usefulness of an international parent body that may well span business, diplomacy and technology across several continents without troubling the newspapers. What the low scores honestly say is that we do not have the evidence, not that the network is worthless. So if a family is choosing partly for the hand extended by those who came before, this is the thing to press the school on directly: is there a working alumni programme, are there regional chapters, does the parent network actually help a family relocating again in three years. Meanwhile the qualifications on offer, the International Baccalaureate and American diplomas, open doors to universities on both sides of the Atlantic, which for a globally minded family is often the more practical currency. Ask for recent university destinations and IB results by name. A school charging these fees should be able to show you where its leavers land.

The most encouraging development in the school's recent life is its becoming a registered UK charity in 2018, with a commitment to means-tested bursaries and to sharing its expertise. This is the difference between a school that merely confirms advantage and one that tries to turn it into something wider, and it deserves to be taken seriously rather than admired from a distance. So test it. Ask how many bursary places there are, how deep the awards go, and whether the service and outreach are a line in a report or a lived part of what the children absorb. A school that genuinely opens its gates teaches its fee-paying pupils the most valuable thing on the timetable, which is that privilege carries an obligation. Whether that lesson has stuck at ACS is a fair question for the interview.

The setting is handsome, the facilities are well-funded, and the international ethos is real rather than decorative. What the available evidence cannot tell you is the texture of the pastoral and house life, the character of the adults it tends to produce, or the range of its co-curricular life, and those are precisely the things that ought to settle the matter. So ask who a homesick fifteen-year-old goes to at ten at night. Ask how boarders and day pupils actually mix once the day pupils have gone home. Ask what the school hopes a child will be like at 25, and listen for whether the answer is about character or about admissions.

Here, then, is the plain judgement. ACS Cobham suits the internationally mobile family who want curriculum continuity, the IB or an American route, and a genuinely mixed community within easy reach of London and two airports. It suits the child who has already lived elsewhere and needs that to be ordinary. It will disappoint the family in search of the older machinery of British boarding, the A-level track, the ancient house rivalries, the inherited alumni machine. And it deserves real caution from any family whose child would need a large, busy, full-term boarding community to thrive, because that is the one thing the acreage cannot prove and the one thing they must verify with their own eyes before committing. Fee is annual, in the region of international-school rates as a day pupil and higher with boarding, so confirm the current figures directly. The data points the way. The choice, as ever, is yours.

Sources: School website · Independent Schools Inspectorate (ISI) report · DfE Compare School Performance · Boardingly Worldly Ranking (our scorecard + underlying signals)

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Academics

Exam results

Not yet verified against an approved source. Contact school.

Life & activities

Boarding & pastoral

Boarding type: Full

Pastoral care: Students are supported at every step of their journey, with counsellors specialising in university applications and pastoral care.

Latest inspection

Common questions

How much are the fees at ACS International School Cobham?

At ACS International School Cobham, full boarding is Contact school for current fees and day fees are Contact school for current fees. These are indicative figures from public data — always confirm the current year's fees directly with the school.

Where is ACS International School Cobham?

ACS International School Cobham is in Cobham, Surrey, United Kingdom (KT11 1BL).

Is ACS International School Cobham a boys', girls' or co-educational school?

ACS International School Cobham is a co-educational school, taking both boys and girls.

What ages does ACS International School Cobham take?

ACS International School Cobham educates pupils aged 2-18.

Does ACS International School Cobham offer boarding?

Yes — ACS International School Cobham offers full boarding.

How many pupils are there at ACS International School Cobham?

ACS International School Cobham has approximately 2,200 pupils.