The Rankings — 2026/27
Next update in 363d 23h 29m 14s
Independent · Unpaid · Editorial
World's Top Schools, Ranked.
Every ranked and candidate school in the directory, one continuous list from #1 down. Use this view when you want the full picture without switching between tiers.
This ranking is locked. The next ranking update will be on September 1, 2027. How the ranking cycle works · Why this ranking exists
Penny's picks
Nigeria · Lagos State
American International School of Lagos
On Victoria Island since 1964, where Shell, ExxonMobil and Chevron reserve seats on the board overseeing dual American-IB diplomas.
68.3
Score
Nigeria · Anthony / Lekki
Greensprings School Lagos
Grown from a three-pupil Montessori nursery in 1985 into a three-campus pathway through IGCSE to the IB Diploma.
61.4
Score
Nigeria · Ikeja GRA
Grange School Lagos
Founded in 1958 in Ikeja's leafy GRA, this pre-Independence institution names its houses after Nigerian rivers while running a thoroughly British IGCSE curriculum
60.2
Score
Nigeria · Federal Capital Territory
Loyola Jesuit College
Ignatian pedagogy and cura personalis anchor a 70-acre boarding campus renowned for Nigeria's steadiest WASSCE results.
56.4
Score
Nigeria · Lekki
British International School Lagos
On a 30-acre Victoria Island campus, Cambridge rigor meets Yoruba language study and a five-house boarding tradition.
53.7
Score
Nigeria · Ogun State
Corona Secondary School Agbara
On a quiet Agbara Estate campus, boarders sit Cambridge Checkpoint and ACCA papers under a rare NEASC-accredited British curriculum.
53.5
Score
Nigeria · Ogun State
Day Waterman College
On 35 hectares outside Abeokuta, British-curriculum boarders swap city noise for golf greens and a FIFA-sized pitch.
50.9
Score
Methodology
How we rank
Our composite weights eight categories. Each is scored 0–100 by our editorial panel and audited against 30 sub-criteria drawn from school records, university placement audits, alumni surveys, campus visits and parent interviews. Schools cannot pay for placement or preview scores.
Weighting
- Academic Outcomes20%
- University Placement17%
- Prestige & Heritage13%
- Alumni Network13%
- Facilities13%
- Transparency & Communications8%
- Peer & Industry Review10%
- Admissions Selectivity & Demand8%
Score key
Reading the scores
Bands out of 100
Every category, sub-criterion and composite total across this issue uses the same six-band editorial palette. Bands are calibrated against the full 300-school cohort — a "Distinguished" mark is meaningfully harder to earn than a "Strong" one.
- Exceptional90–100
Top of cohort
- Distinguished80–89
Elite tier
- Strong70–79
Consistently high
- Solid60–69
Reliable performer
- Average50–59
Room to grow
- Below par< 50
Underperforming
The same colour bands are used inside each school profile, on category chips, radar charts and the annual score-history line — so a colour glimpsed on the Rankings page always means the same thing everywhere else.