5 Schools • UK & Spain • Deep Comparative Analysis • Updated 23 Mar 2026
| School | Location | Ages | Students | Curriculum | Type | Tuition (top, incl. VAT) | Key Metric |
|---|---|---|---|---|---|---|---|
| ASB Barcelona | Barcelona, Spain | 3–18 | ~1,000 | American + IB | Day | €27,062/yr | IB avg: 35 |
| ASL London | St John's Wood, London | 4–18 | ~1,400 | American + AP | Day | £46,428/yr | AP 93% pass (3+) |
| TASIS England | Thorpe, Surrey | 3–18 | ~660 | American + AP + IB | Day + Boarding | £35,740 day / £66,970 board | IB avg: 34 / AP 91% |
| MCS Oxford | Oxford | 7–18 | ~957 | GCSE + A-Levels | Day | £28,812/yr | 81% A*-A at A-Level |
| St Clare's Oxford | North Oxford | 15–19 | ~262 | IB only | Boarding + Day | £23,592 day / £49,310 board | IB avg: 35.1 |
| Founded | 1962 by Dr. Jose Maria Poal |
| Location | Esplugues de Llobregat, Barcelona, Spain |
| Type | Private, non-profit, co-ed day school |
| Ages | PK3 – Grade 12 (3–18) |
| Students | ~998 |
| Nationalities | 55–60 (~28% US, ~21% Spanish, ~51% other) |
| Curriculum | American IB Diploma |
| Accreditations | MSA, IBO (since 2007), Generalitat de Catalunya |
| Website | asbarcelona.com |
| IB Average (2024-25) | 35 points (world avg ~30) |
| Top Score | 44/45 (two students) |
| Scored 38+ | 34% of cohort |
| Bilingual Diplomas | 67% (55 of 82) |
| SAT Average | 1320 (88th percentile) |
| Above World Avg | Every year since 2009 |
Brown, Columbia, Cornell, Duke, Georgetown, Stanford, MIT, U Chicago, UCLA, McGill, Oxford, Cambridge, LSE, Sciences Po, KU Leuven, Keio • ~30% enroll in Spain, ~15% UK, ~15% Netherlands
| Division | Annual |
|---|---|
| PK3 Full Day | €14,114 |
| Elementary (Gr 1-5) | €19,407 |
| Middle School (Gr 6-8) | €22,237 |
| High School (Gr 9-12) | €27,062 |
+ €975 annual matriculation + €6,000 one-time capital levy (Gr 1-12). Corporate rates ~20% higher. 3% early-payment discount.
| Founded | 1951 by journalist Stephen Eckard |
| Location | 1 Waverley Place, St John's Wood, London NW8 |
| Type | Private, independent, co-ed day school |
| Ages | K1 – Grade 12 (4–18) |
| Students | ~1,400 (696 boys, 736 girls) |
| Nationalities | 70 (~70% US passport holders) |
| Curriculum | American 20+ AP Courses |
| Accreditations | MSA, CIS, NAIS, ISA |
| Ofsted (Nov 2023) | Outstanding — ALL categories |
| Website | asl.org |
| AP Pass Rate (3+) | 93% (1,020 exams, May 2025) |
| Graduation Req. | 24.5 credits + min 3 AP exams |
| Class Size (HS) | ~15 students |
| Faculty Avg Tenure | 9 years, 14 nationalities |
1,608 applications from 135 students across 10 countries. 232 US acceptances (Harvard, Yale, Princeton, Brown, Cornell, Dartmouth, Caltech, Chicago) • 87 Russell Group (Oxford, Cambridge, Imperial, UCL) • 18 Canada (McGill, Toronto)
| Division | Annual |
|---|---|
| Lower School (K1-G4) | £40,188 |
| Middle School (G5-G8) | £44,616 |
| High School (G9-G12) | £46,428 |
+ £2,400 one-time capital fee. 225+ students receive financial aid (25%-99%). Bus: £4,830/yr.
25m 6-lane swimming pool • MILL makerspace (3D printers, laser cutters, robotics) • 450-seat theatre • Community Arts Building (2016) • Two gymnasiums • Boathouse in Chiswick for rowing • 1:1 laptop (HS) • Canons Park playing fields
| Founded | 1976 by Mrs. Mary Crist Fleming |
| Location | Thorpe, Surrey (18 mi SW of London, 25 min from Heathrow) |
| Campus | 46 acres — historic Thorpe Manor House + modern facilities |
| Type | Co-ed, day + boarding (boarding from Grade 8) |
| Ages | 4–18 (Pre-K – Grade 12) |
| Students | ~660 (~38% boarders, ~62% day) |
| Nationalities | 60–75 (no nationality >12%) |
| Curriculum | American 22+ AP IB Diploma |
| Accreditations | NEASC, CIS, IBO, ISI (all standards met 2024) |
| Acceptance Rate | ~64% |
| Website | tasisengland.org |
| IB Average (2025) | 34 points (91% pass, highest 43/45) |
| IB Average (2024) | 33 points (100% pass, highest 44/45) |
| AP Pass Rate (2025) | 91% (mean score 4.0, 32% scored 5) |
| AP Historical | 85–90% pass rate year over year |
| Student:Faculty | 6:1 – 8:1 (avg class 12) |
96% accepted to 1st or 2nd choice. Destinations: 50% UK, 34% US, 16% other • Oxford, U Chicago, Imperial, UPenn, Johns Hopkins, UCL, King's College London
| Level | Day (GBP) | Boarding (GBP) |
|---|---|---|
| Pre-K | £15,600 | — |
| K – Grade 3 | £26,800 | — |
| Grade 4 | £30,040 | — |
| Grades 5-8 | £32,560 | £66,970 (Gr 8) |
| Grades 9-12 | £35,740 | £66,970 |
+ £240 application fee + £900 development fund (one-time). 13% on financial aid. Rolling admissions.
46-acre campus (17C manor house + 19C convent) • Fleming Theatre (300+ seats) • Fine Arts Center (photo, ceramics, sculpture, printmaking) • 3 libraries • 2 gymnasiums • Fitness centre • Tennis courts • 7 boarding houses • 14 interscholastic sports • 23 clubs
| Founded | 1480 by William Waynflete |
| Location | Cowley Place, Oxford OX4 1DZ (adjacent to Magdalen College) |
| Type | Independent day school — boys 7-18, co-ed Sixth Form (fully co-ed by 2034) |
| Ages | 7–18 |
| Students | ~957 (859 boys, 98 girls) |
| Curriculum | GCSE + A-Levels |
| ISI (Oct 2023) | All 8 standards met — "Exceptional" |
| Awards | Independent School of the Year for Social Mobility (2024) • Top 20 nationally (Sunday Times) |
| Website | mcsoxford.org |
| GCSE Grade 9 | 61% of all grades |
| GCSE 9-8 | 83% |
| GCSE 9-7 | 94% |
| A-Level A* | 43% |
| A-Level A*-A | 81% |
| A-Level A*-B | 93% |
| 3+ A* grades | 42 pupils (25%+ of year) |
~25% to Oxbridge/Ivy League • 13 to Medicine/Dentistry • Vast majority Russell Group (Oxford, Cambridge, Durham, Imperial, Warwick, UCL)
| Year Group | Termly | Annual |
|---|---|---|
| Junior J1 & J2 (Yr 3-4) | £9,250 | ~£27,750 |
| Junior J3 & J4 (Yr 5-6) | £9,604 | ~£28,812 |
| Senior (Yr 7-13) | £9,604 | ~£28,812 |
| Sixth Form levy | +£156 | +£468 |
~1 in 10 receive bursaries (up to 100%). Endowment >£10M. Music lessons: £540/term. 12 bus routes.
~160 teaching staff. Department heads include: Dr M.P.H.V. Habsburg (History, PhD St Andrews), Mrs C.A. Lewis (Maths, MEng Cantab), Dr B.P. Thurston (Mod. Languages, DPhil Oxon)
450+ weekly music lessons • 60+ concerts/yr • 16 choristers sing daily at Magdalen College Chapel (since 1480) • School Field is an island in the River Cherwell • Waynflete Studies: independent research with Oxford academics • Edinburgh Fringe transfer annually • Going fully co-ed by 2034
| Founded | 1953 |
| Location | 139 Banbury Road, North Oxford |
| Campus | Distributed — Victorian/Edwardian buildings along Banbury Rd (no enclosed campus) |
| Type | Co-ed Sixth Form college, boarding + day (85% boarders) |
| Ages | 15–19 (Pre-IB from 15, IB Diploma from 16) |
| Students | ~262 (90 boys, 172 girls) |
| Nationalities | 46–50 |
| Curriculum | IB Diploma Only (England's oldest IB school — since 1977) |
| ISI | Excellent |
| Ofsted (Boarding) | Outstanding |
| Admissions | Non-selective |
| Website | stclares.ac.uk |
| IB Average (2025) | 35.1 points (world avg 30.58) |
| Above Benchmark | 93% surpassed global benchmark |
| Bilingual Diplomas | 58% |
| Languages (Eng Lit) | 25+ (unique in UK) |
| Class Size | 8–10 students |
Oxford, Cambridge, LSE, Imperial, Princeton, Stanford, Columbia, and more. Strong UK + US placement. International spread mirrors student body diversity.
| Option | Annual (before VAT) |
|---|---|
| Day | £23,592 |
| Boarding | £49,310 |
+ 20% VAT. Registration fee: £100. 40+ scholarships awarded annually (partial to full). Non-selective admissions — placement tests + interview only.
15 boarding houses (Victorian villas + "121" House with en-suite) • £3.3M science building (2014) • £5.5M art studio (2015) • Nuffield Health gym membership included • First-name basis with teachers • No uniforms • Cross-nationality room sharing
| School | System | Key Score | Pass Rate | Oxbridge / Ivy |
|---|---|---|---|---|
| ASB Barcelona | IB | 35.0 avg | — | Oxford, Cambridge, Cornell, Stanford, MIT |
| ASL London | AP | 93% pass (3+) | 93% | Harvard, Yale, Princeton, Oxford, Cambridge |
| TASIS England | IB + AP | IB 34 / AP 91% | 91% (both) | Oxford, UPenn, U Chicago, Imperial |
| MCS Oxford | A-Levels | 81% A*-A | 93% A*-B | ~25% of leavers to Oxbridge/Ivy |
| St Clare's | IB | 35.1 avg | 93% above benchmark | Oxford, Cambridge, Princeton, Stanford |
| School | Day | Boarding | Currency | Fin. Aid |
|---|---|---|---|---|
| ASB Barcelona | €27,062 | — | EUR | Sibling discounts |
| ASL London | £46,428 | — | GBP (incl. VAT) | 225+ students (25-99%) |
| TASIS England | £35,740 | £66,970 | GBP | 13% of students |
| MCS Oxford | £29,280 | — | GBP (incl. VAT) | ~1 in 10 (up to 100%) |
| St Clare's | £23,592 | £49,310 | GBP (+ VAT) | 40+ scholarships/yr |
| School | Students | Nationalities | Student:Faculty | Avg Class |
|---|---|---|---|---|
| ASB Barcelona | ~998 | 55-60 | — | — |
| ASL London | ~1,400 | 70 | — | 15-22 |
| TASIS England | ~660 | 60-75 | 6-8:1 | 12 |
| MCS Oxford | ~957 | — (mostly UK) | — | — |
| St Clare's | ~262 | 46-50 | — | 8-10 |
| School | Inspector | Rating | Accreditations |
|---|---|---|---|
| ASB Barcelona | N/A (Spain) | Top 10 IB in Spain, Top 50 IB in Europe | MSA, IBO, Generalitat de Catalunya |
| ASL London | Ofsted (Nov 2023) | Outstanding — all categories | MSA, CIS, NAIS, ISA |
| TASIS England | ISI (2023-24) | All standards met | NEASC, CIS, IBO, ISA, BSA |
| MCS Oxford | ISI (Oct 2023) | All 8 standards — "Exceptional" | ISC, HMC |
| St Clare's | ISI + Ofsted (boarding) | Excellent / Outstanding | IBO (since 1977), ISC |