International English School of Castellón: A Leading British Curriculum School in Spain

If you are searching for a high-quality international school in Spain that offers the British curriculum, the International English School of Castellón is one of the leading options in the Valencia region.

Located in Castellón, just one hour from Valencia, the school combines academic excellence, personalised care, and full English immersion from Primary through Secondary.

As part of the Dukes Education network, it delivers strong academic results, elite university preparation, and access to international programmes. Families choose the school for its balance of rigorous learning, social-emotional support, and a close-knit community where every child is known individually.

About the International English School of Castellón

The International English School of Castellón stands out among the international schools in Valencia for its exceptional educational standards.

The school is known for impressive academic results, outstanding English language teaching, and a dedicated team providing personalised guidance across both Primary and Secondary levels. Beyonvd the classroom, it also supports students pursuing elite pathways, including young golfers, helping them balance high-level training with top-quality academics.

We spoke with David Russell, School Director, to find out what makes the International English School of Castellón an ideal place for pupils to learn, how it combines rigorous learning with personalised care, and why families continue to choose it as the perfect environment for their children to thrive.

What Makes the School Unique in Spain?

Could you tell our readers a little about the school, and what makes it such a special place for students?

It is a pleasure to introduce you to our school. At the International English School of Castellón, our heartbeat is our mission: “Exceptional treatment of all members of our school community.” What makes us truly special is the depth of the relationships here; our teachers know each child individually, allowing us to personalise their learning journey with genuine warmth and care.

We prioritise a balance between academic excellence and social-emotional wellbeing. By blending the best of the British curriculum with key Spanish subjects, we create a stimulating environment where students develop natural English fluency alongside critical reasoning skills. Whether in the classroom or through enriching extracurricular experiences, we focus on our core values of resilience, respect, and responsibility. It is this unique combination of a rigorous international education and a supportive, family-oriented atmosphere that ensures every student is valued and challenged to reach their full potential.

Part of the Dukes Education Network: What It Means for Families

The school is part of the larger Dukes Education group. What does being part of this network mean for everyday school life?

Joining the Dukes Education family has truly enriched our school life. It allows us to stay at the forefront of global educational trends, ensuring our teaching methods are always evolving through continuous teacher training. For our students, this partnership opens doors to “super-curricular” programmes, ranging from international competitions to expert webinars, that cultivate the essential soft skills needed for the future.

Furthermore, our families benefit from elite university and career guidance, alongside the stability that comes from being part of a recognised global leader. This network provides a guarantee of high educational standards and a commitment to ongoing investment in our staff and facilities. Ultimately, being part of Dukes reinforces our mission of “exceptional treatment,” combining the warmth of our local community with the vast resources and expertise of a world-class educational leader.

Dukes Education schools are known for strong academic results. What do you think contributes to the achievements and success of students here in Castellón?

Our academic success is rooted in the deep, supportive relationships between our teachers and students. Because we prioritise “exceptional treatment,” our staff invests immense effort into understanding each child’s unique needs, ensuring they receive the right balance of support and challenge to thrive.

Our curriculum promotes higher-order thinking skills like reasoning and evaluating, while developing the English fluency needed to express complex ideas. We also place a specific emphasis on the foundational power of reading. While we use technology as a tool, we believe the deep thinking developed through reading is irreplaceable. By balancing these traditional skills with modern inquiry, we ensure our students develop the resilience and responsibility needed to excel. It is this combination of personalised care and cognitive challenge that leads to such outstanding achievements.

Academic Results and the British Curriculum Framework

The school follows the British curriculum. How does this framework support not just academic success, but also the development of independent, confident learners?

The British curriculum is a powerful framework for building confidence because it is inherently reflective. We encourage our students to have the courage to be honest about their progress, viewing academic challenges as vital opportunities for growth. In our classrooms, children are partners in their own education; they understand exactly where they stand and, crucially, the “next steps” required to elevate their learning.

This approach exposes students to experiences that demand reflection and resilience. We believe there is immense value in the “productive struggle”; the resilience gained from working through difficult material with the right support. By understanding how they learn, our students become adept, independent thinkers who take responsibility for their own development. Ultimately, this journey ensures they leave us as self-aware, confident individuals, fully prepared to achieve their potential in an ever-changing world.

English Immersion and Native-Speaking Teachers

Being immersed in English is an important part of the school experience. How does this day-to-day exposure, alongside native-speaking teachers, support pupils’ confidence and fluency over time?

Immersion at our school is far more than just a language lesson; it is a lived experience. Through daily exposure, constant practice, and the natural repetition of school life, our students develop fluency organically alongside native-speaking teachers. We prioritise opportunities for speaking in public, which transforms a second language into a powerful tool for self-expression.

By reading from a wide range of sophisticated sources, our pupils build a rich vocabulary and high levels of comprehension that allow them to navigate complex ideas with ease. This linguistic depth is vital, as all British curriculum subjects are assessed in English, lending real “gravitas” to the importance of mastery. Ultimately, this immersive environment ensures that confidence and fluency come naturally. Our students don’t just learn English; they think, reason, and succeed in it, becoming ready for any challenge.

Personalised Learning from Primary to Secondary

Personalised learning is also important at the school. How do you make sure every child feels seen, supported, and guided as an individual?

At the heart of our school is the belief that every child is unique. Personalised learning begins with knowing our students deeply; not just their academic data, but their individual strengths, talents, and interests. From Early Years to the Sixth Form, we use sophisticated tracking to identify specific focus areas, ensuring that our teaching is always responsive to their evolving needs.

In our classrooms, learning activities are designed with the flexibility to provide both support and challenge at the appropriate level. We move beyond a “one size fits all” approach by tailoring experiences to bridge gaps or stretch potential. Above all, we believe curiosity is the spark that drives engagement at every stage. Whether a child is just starting their journey or preparing for university, we nurture that natural inquisitive spirit to ensure they remain active participants in their own learning. This commitment ensures that every individual feels seen and supported.

Campus Facilities and Student Wellbeing

Could you give us a sense of the school campus and facilities, and how the environment helps to support academic focus and student wellbeing?

Our school environment plays a vital role in both wellbeing and learning. Classrooms are spacious, comfortable, and benefit from fantastic natural light, providing a bright and focused atmosphere. With full climate control and a blend of interactive screens and traditional whiteboards, our rooms offer a versatile visual stimulus for every lesson.

Beyond the core classrooms, we provide specialist facilities including modern laboratories, IT and digital media suites, and a dedicated art room. Our theatre serves as a professional drama space for rehearsals, performances, and assemblies, allowing students to build confidence on stage. For physical and social development, we offer large outdoor sports and recreation areas, alongside a spacious dining room where our community gathers. By investing in these high-quality facilities, we ensure our students have the ideal setting to thrive both academically and personally.

Dukes’ Future Ready Programme and University Preparation

Can you tell us about the Dukes’ Future Ready programme and how it helps students to build the skills they’ll need as they move through the school?

The Dukes’ Future Ready programme is an invaluable resource that ensures our students are prepared for life far beyond the classroom. It provides a comprehensive range of workshops and webinars featuring industry leaders and university admissions officers, giving our pupils direct access to global expertise. For our highest academic achievers, we offer a specialised track focused on securing entry into the world’s most competitive universities, including tailored support for international admissions tests and online tutoring for specific requirements.

This programme doesn’t just support students; it also empowers our staff with advanced training for our school careers advisors. By providing resources for standardised test preparation and opportunities to engage with external experts, we help our students bridge the gap between school and the professional world. It is a fundamental part of our commitment to ensuring every individual is challenged and supported to achieve their full potential in a constantly changing landscape.

Supporting Elite Student Pathways, Including Golf

The International English School of Castellón is also known for supporting students who follow elite pathways, including golf. How do you work with families and external partners to help students balance high-level training with their academic studies?

Supporting students on elite pathways, such as our talented golfers, requires a true partnership between the school, families, and external academies. We maintain close links with sports academies to ensure that a student’s academic journey and their training regime work in harmony. This involves a personalised programme where we adapt the timetable to accommodate practice and competitions, offering essential flexibility over assessment and evaluation dates.

Communication is key; we engage in regular dialogue with both parents and academy coaches to monitor progress holistically. Beyond academics, our tutors provide careful guidance to support the wellbeing of these athletes, ensuring they manage the dual pressures of elite sport and high-level education. Crucially, we ensure these students are fully integrated into school life, providing them with a vital social network outside of their sporting world. It is this “exceptional treatment” that allows our elite athletes to remain resilient, balanced, and successful in both arenas.

Why Parents Choose International English School of Castellón

From your conversations with families, what do parents most often say they appreciate about the teachers and the care their children receive?

In my conversations with parents, the most consistent feedback I receive is a deep appreciation for the genuine care and availability of our teaching staff. Families value that our teachers are not just educators, but mentors who are truly invested in each child’s welfare and progress. Whether it is offering extra time for academic support or simply being there to listen, our staff ensures that no question or doubt goes unanswered.

Parents often describe our team as considerate and open-minded, valuing the partnership we build together. They recognise that we don’t just focus on grades or wellbeing in isolation; instead, we prioritise the development of the “whole child.” This holistic approach, rooted in our mission of exceptional treatment, gives parents the peace of mind that their children are being guided by professionals who see them as individuals. It is this culture of mutual respect and dedication that truly defines our school community.

Finally, as Headteacher, what message would you like to share with families considering the International English School of Castellón for their child?

Choosing a school is one of the most important decisions a parent will ever make, and we truly believe that we provide the best environment for every child and family who joins us. At the heart of our school is a commitment to “exceptional treatment.” This means that during challenging times, we are always at your side—supporting, guiding, and encouraging. When your child succeeds, we are there celebrating with you and planning their next ambitious steps.

The relationship between our school and our parents is my absolute priority; we are partners who share the same common goal. We want the very best for your children, ensuring they are deeply cared for while developing the resilience and skills they need for the future. I invite you to join our community, where your child will be valued as an individual and challenged to achieve their full potential.

Parents can find out more on the school’s website or via their social media channels on Instagram and Facebook.

About David Russell, School Director

David joined the International English School of Castellón in January 2018, bringing a wealth of knowledge and expertise in the education sector. He holds a Bachelors Degree (Hons) in Molecular Biology and Biochemistry from the University of Durham, UK and a Postgraduate Certificate in Education (PGCE) in Science from the University of York, UK.

David began his career as Teacher of Science in London before moving to Buenos Aires where he continued imparting science lessons. Prior to becoming School Director at IESC, he was head of Science and 6th Form for 3 years at the British School of Córdoba, where he also led the Secondary Department for 12 years.

“My goal is that students leave the International English School of Castellón as independent thinkers, confident communicators, socially responsible and world ready. I am proud to be the Director of this great school and I feel very fortunate to form part of an outstanding team of professionals, who share a genuine belief in the importance of children being happy in order to be truly successful.” – David Russell.

Frequently Asked Questions (FAQ):

What curriculum does the International English School of Castellón follow?

The International English School of Castellón follows the British curriculum, providing a structured and academically rigorous pathway from Primary through Secondary education. 

Is the International English School of Castellón part of a larger group?

Yes. The International English School of Castellón is part of the Dukes Education group, a respected international schools network known for high academic standards, strong leadership and a commitment to student wellbeing.

Does the school offer education in English?

Yes. The school provides full English immersion, with the majority of subjects taught in English by qualified native or bilingual teachers. 

Does the school support student athletes?

Yes. The school actively supports student athletes, including those pursuing elite pathways such as competitive golf. It offers flexibility and personalised academic guidance to help students balance high-level sports training with their academic studies.

Where is the International English School of Castellón located?

The school is located in Castellón, in the Valencia region of Spain, approximately one hour north of Valencia’s city centre. The campus offers a safe, welcoming environment within easy reach of the Mediterranean coast.

Read more interviews and articles about international education in Spain on the MumAbroad blog