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
5.01 review Camí 3r Sedeny s/n, 12540, Vila-Real, Castellon
34% international557 students
5.04 reviews Entrada, Urb. Cumbre del Sol, s/n, 03726, Alicante, 03726, Alicante, Alicante
79% international1,100 studentsAges 1–18
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
3.510 reviews Carrer Ginesta, 26, Castelldefels, 08860, Barcelona, Barcelona
1,658 studentsAges 3–18
3.34 reviews Carrer de les Filipines 37, 46006, Valencia, Valencia
1,016 studentsAges 2–18
3.84 reviews Av. Del Tremolencs, 24., La Garriga, 08530, Barcelona, Barcelona
1,047 studentsAges 2–18
ISA Rankings