The Olive Tree School
4.311 reviews Modistas, 8 (esquina Rambla del Garraf), Barcelona, Barcelona
70% international200 studentsAges 3–16
ISA Ranking 2026
Discover the Best 125 International private Schools in the World for 2026. Compare curricula, fees and parent reviews to shortlist schools for your family.
How is the ranking calculated?125 schools in the ranking
4.311 reviews Modistas, 8 (esquina Rambla del Garraf), Barcelona, Barcelona
70% international200 studentsAges 3–16
5.05 reviews Cité Taieb M'hiri, L'Aouina, 2045 Tunis, 2045, La Goulette, Tunis
4.5+ ratingAges 3–18
5.02 reviews Building No 2517, Al Muruj, Olaya St., Maan St., Riyadh, Saudi Arabia, Riyadh, Riyadh
Ages 3–14
Phúc L?i, 100000, Hanoi, Ha Tay
50% international1,000 students
4.98 reviews Paseo de la Reina Elisenda de Montcada 18, 08034, Barcelona, Barcelona
72% international670 students4.5+ rating
3.06 reviews 178-180, Ronda 8 de Marc, 08390, Barcelona, Barcelona
1,400 studentsAges 1–18
5.02 reviews Pre-Kindergarten - Grade 3: No 3 Yan Yu Street South, Ersha Island | Grade 4-12: 19 Kexiang Rd, Science Park, 510105 | 510663, Guangzhou, Guangdong
99% international1,050 studentsAges 3–18
3.510 reviews Carrer Ginesta, 26, Castelldefels, 08860, Barcelona, Barcelona
1,658 studentsAges 3–18
3.84 reviews Av. Del Tremolencs, 24., La Garriga, 08530, Barcelona, Barcelona
1,047 studentsAges 2–18
3.572 reviews Al Farouq St, Doha, Doha
600 studentsAges 3–18
5.03 reviews Ar Rabi, 13315, Riyadh, Riyadh
800 studentsAges 3–18
ISA Rankings