What is the difference between a bilingual school and an international school?

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When the time comes to choose the ideal school for our children, many questions arise. One of the most common is: Is it better to choose a bilingual school or an international school? Although at first glance they may seem similar, there are important differences between the two models. In this article, we explain each type of school, their characteristics and advantages, and help you reflect on which may be the most suitable for your family.

What is a bilingual school?

 

A bilingual school is an educational institution that offers teaching in two languages, most commonly the local language and a second language – often English. The main goal is for students to develop functional proficiency in both languages, both oral and written, while continuing to follow the national curriculum.

Key characteristics of bilingual schools

  • Dual language instruction: Subjects are taught in both languages, alternating depending on the subject or educational stage.
  • Alignment with the local curriculum: They follow the official educational curriculum of the country in which they are located.
  • Progressive language introduction: The second language is introduced gradually, with its presence increasing over the years.
  • Teachers with advanced proficiency in the second language: While not always native speakers, they hold advanced certifications.
  • Moderate multicultural focus: Openness to other cultures is encouraged, but with a primary emphasis on the local culture.

What is an international school?

An international school is an educational institution that offers a global curriculum designed for students of different nationalities and with a strong international orientation. Instruction is often in English or other foreign languages and is aimed at developing global citizens.

Key characteristics of international schools

  • International curricula: They deliver programmes such as the International Baccalaureate (IB), the British curriculum (IGCSE, A-Levels), or the American curriculum (AP).
  • Cultural diversity: They bring together a community of students and teachers from multiple countries; the environment is truly international.
  • Instruction in English or other foreign languages: In many cases, all content is taught in English.
  • Global focus: Values such as empathy, global citizenship, and critical thinking are actively promoted.
  • Facilitate international mobility: Ideal for families who move frequently between countries and seek educational continuity worldwide.

Advantages of international schools

  • Strong preparation for admission to top universities around the world.
  • Advanced development of linguistic, social, and cultural skills.
  • Exposure to different perspectives from an early age.
  • Inclusive environment that fosters tolerance and intercultural collaboration.

Differences between bilingual and international schools

Characteristic Bilingual School International School
Language of instruction Mainly foreign (English or others) Principalmente extranjero (inglés u otros)
Curriculum National curriculum International curriculum (IB, British, etc.))
Cultural orientation Local with openness to the world Global and intercultural
Teaching staff Local or bilingual International with experience in global systems
School community Predominantly local Highly diverse
Educational goal Bilingual competence Global citizenship and international readiness
Educational flexibility Limited High, with innovation in digital learning ecosystems

Which type of school is best for your family?

Choosing between a bilingual school and an international school depends on your needs, lifestyle, and expectations for your children’s future education. Here are some questions that may help you decide:

  • Do you plan to live in the same country for your children’s entire schooling?
  • Is it important to you that they maintain a strong link to the local culture and national curriculum?
  • Or would you prefer that they grow in an international environment with a global outlook?
  • Do your children already speak the second language fluently, or are they just beginning to learn it?
  • What kind of social and cultural environment would you like them to experience?

Both models offer valuable advantages. While bilingual schools allow for balanced learning between two languages and cultures, international schools provide a broader global education, ideal for an increasingly interconnected world.

 

Discover our SEK International Schools

At SEK Education Group, we have been educating students in international, innovative, and humanistic environments for more than 130 years. 

Our schools are located in Spain, France, Ireland, Saudi Arabia, and Qatar, offering an education based on the International Baccalaureate (IB). We were pioneers in offering the IB Diploma Programme (IBDP) online, and we have a clear commitment to multilingual learning, academic excellence, and personal development.

Learn more about the International Baccalaureate (IB)

Learn more about the International Baccalaureate Online

 

Our students not only learn several languages, but live diversity every day, working on global projects, developing leadership skills, and preparing for entry into leading universities worldwide.

If you are looking for an education that combines academic rigour, critical thinking, and a global vision, we invite you to learn more about our SEK International Schools.

Discover all SEK International Schools