Reforming International Education for Better Scale, Impact and Economic Viability
Executive Summary
- The expansion of British international education is increasingly constrained by the availability and distribution of suitably qualified teachers.
- A distributed campus model enables specialist teaching to be delivered centrally across a network of physical campuses.
- A tiered structure—comprising an HQ campus, major campuses, and minor campuses—supports both scalability and regulatory compatibility.
- The global tuition sector, including members of The Tutors’ Association (TTA), is uniquely positioned to support this model through flexible “Teaching-as-a-Service”.
- The model is particularly relevant in regions with growing demand and uneven provision, including the GCC, South East Asia, China (in specific segments), and parts of Africa.
- It offers a pathway to expand access while maintaining quality and improving the utilisation of scarce teaching expertise.
Introduction
The global demand for high-quality British international education continues to expand, yet the system that delivers it is increasingly constrained. UNESCO estimates that 44 million additional teachers will be required globally by 2030, reflecting both demographic growth and persistent shortages in qualified teaching staff. These shortages are particularly acute in specialist subjects such as mathematics, sciences, and economics—areas central to the delivery of GCSEs and A Levels.
While global estimates provide a useful benchmark, the challenge is particularly acute within British international education. According to ISC Research, international schools now serve approximately 7.4 million students worldwide, with over half following a British-style curriculum. This implies a current global requirement of roughly 300,000 teachers with experience of British curricula, based on typical staffing ratios.
With the international schools market continuing to grow—by over 20% since 2020—this requirement is likely to rise to between 350,000 and 400,000 teachers by 2030. However, the supply of such teachers is constrained. The United Kingdom itself has consistently struggled to meet domestic teacher recruitment targets, particularly in key subjects such as mathematics and physics, while attrition rates remain significant. As a result, international schools are competing for a finite and increasingly stretched pool of experienced teachers, and what the labour market is offering skilled graduates (in terms of salary, quality of life and progression) to become and remain teachers appears to be falling short.
While demand for British education extends far beyond major urban centres globally, the ability to deploy suitably qualified and experienced teachers is limited. Using the traditional ratios of teachers to students, it is simply impossible to scale quality British international education to all of the families who would like to access it internationally.
There is a major structural imbalance. The question is no longer whether demand exists, but how high-quality teaching can be delivered at scale.
The Limits of the Traditional Model
The conventional international school model assumes that each campus must operate as a largely self-contained institution, employing a full complement of subject specialists across all phases and disciplines, modelled fairly closely on private schools in the UK (with the slight difference that most international schools are all-through schools, offering education from reception up to sixth form level). This model is effective in large cities, where enrolment levels, fee structures, and teacher mobility make such models viable.
However, it becomes increasingly inefficient as one moves beyond these contexts. In smaller cities and emerging markets, schools often face fragmented demand: sufficient to justify provision, but insufficient to support the full staffing model of a traditional international school. This is particularly evident in sixth form provision, where small subject cohorts make the employment of specialist teachers economically challenging or, in some cases, completely impractical.
International schools compete globally for a finite pool of teachers. Many experienced British-trained teachers are unwilling to relocate internationally, whether due to personal commitments, perceptions of particular regions, concerns around cultural compatibility or the risks of regional instability, unrest and/or conflict. In an increasingly disrupted world, these issues are likely to get worse.
The result is a system that struggles to scale and delivers uneven access; many parents who would like access to a quality British education for their children are finding that it is either not available, or at least not available where they live and work, at a price they are able and willing to pay.
The Distributed Campus Model
The distributed campus model offers an alternative. It separates two functions that have traditionally been combined within a single institution:
- Specialist academic instruction
- Local supervision, pastoral care, and academic support
Under this model, a network of campuses operates on synchronised timetables and shared academic systems. Specialist teachers deliver lessons centrally—often remotely—across multiple campuses simultaneously. Students attend physical campuses, where they benefit from structured learning environments and local support.
Online schooling has been expanding rapidly since the Covid pandemic and continues to do so, catering for an unmet need in a scalable way. Online institutions such as King’s Interhigh and Minerva Virtual Academy, as well as many others, are proving that online education works, is effective and there is demand for it. However, online education is not the solution for all or even the majority of parents.
The distributed campus model is not a form of purely online schooling. Rather, it is a hybrid model that combines the advantages of physical schools with the scalability of centralised teaching. In doing so, it fits in well with existing regulations and expectations whilst capitalising some of the advantages of online models.
A Tiered Campus Structure
It is proposed that the distributed campus model is likely to be most effective when implemented as a three-tier system.
HQ Campus
The HQ campus functions as the academic and operational centre of the network. It closely resembles a traditional international school (and may be an existing traditional international school), typically located in a major city and employing a significant number of experienced expatriate teachers, alongside some number of local staff (some of whom may be teachers, as well as in support roles). It serves as a registered examination centre for UK exam boards and provides specialist facilities such as laboratories and sports infrastructure that would be expected of such an institution.
In this model, it is responsible for curriculum leadership, assessment design, teacher development, and quality assurance across the network. It may be seen as a premium offering, given the additional facilities on site.
Major Campuses
Major campuses operate as regional hubs, typically serving between 150 and 750 students (depending on market, pricing and economic model). They may also function as examination centres and provide a degree of specialist infrastructure. These campuses combine locally employed staff with limited expatriate expertise and centrally delivered teaching.
Minor Campuses
Minor campuses are smaller sites, typically serving between 50 and 300 students in locations where a traditional international school would not be viable. They rely primarily on centrally delivered teaching and locally based support staff. Students travel periodically to major or HQ campuses for examinations and specialised activities.
The Role of Local Staff
Local staff play a central role in the distributed model. Their primary responsibilities lie in pastoral care, classroom supervision, and academic support. However, the model also enables structured professional development.
Local staff may specialise in areas such as academic support, pastoral provision, or SEND, working under the guidance of lead subject teachers. Through this process, the model facilitates knowledge transfer and builds local capacity, aligning with policy objectives in many regions.
The Contribution of the Tuition Sector
A defining feature of this model is its integration of the global tuition sector. The Tutors’ Association (TTA), as a professional body, represents a network of highly qualified tutors who are well-positioned to support distributed delivery.
Many tutors are former teachers with extensive subject expertise and experience of British qualifications. Crucially, a significant proportion do not wish to return to traditional school roles, often preferring to focus on academic teaching rather than broader responsibilities such as behaviour management or administrative tasks.
The tuition sector also offers flexibility. Schools can contract for specific teaching provision—defined in hours and subjects—allowing supply to scale with demand. This “Teaching-as-a-Service” model reduces recruitment pressures and improves resource allocation.
Teaching and Learning in Practice
Specialist teachers deliver live lessons to multiple campuses, supported by digital platforms that facilitate assessment, feedback, and progress monitoring. Students participate in structured classroom environments, supported by local staff.
There will be a need for students to complete practice tasks online, some of which will be automatically marked and some of which will be subject to teacher review. This will mostly mean review by local teaching support staff, who will then provide feedback/guidance. The teaching support staff will be able to refer queries or more complex cases to the lead teacher, who can provide more specialist guidance where needed, in addition to training and sharing details of how the course is being planned to be delivered. The whole process takes place under the supervision of a highly experienced international educator. This introduces a level of consistency into the model which is absent in traditional contexts.
This model enables consistent delivery of high-quality teaching while maintaining the benefits of in-person schooling that make the model more suitable and acceptable for parents and regulators than a purely online solution might be.
Examination Integrity
The model maintains full compliance with awarding body requirements. HQ and major campuses operate as registered examination centres, while minor campuses serve as feeder sites. Students travel to approved centres for examinations and practical assessments.
Where the Model Matters Most
The distributed campus model is particularly relevant in regions where demand is growing but unevenly distributed, including:
- The Gulf Cooperation Council, particularly Saudi Arabia
- South East Asia
- Mainland China (in specific regulatory segments)
- Parts of Sub-Saharan Africa
These regions share a common challenge: how to deliver high-quality teaching across geographically dispersed populations. In contrast, the model is less acutely necessary (although still viable and advantageous in particular ways) in highly urbanised education markets such as Dubai, Singapore and Hong Kong.
Beyond Cost Reduction
The economic significance of this model lies not primarily in cost reduction, but in the more efficient deployment of scarce expertise. By reducing duplication of specialist teaching across campuses, it becomes possible to extend provision into markets that would otherwise be unviable. A detailed economic analysis is explored in a subsequent article in this series.
Conclusion
The expansion of British international education is constrained not by demand, but by the distribution of qualified teachers. The distributed campus model offers a credible pathway to address this constraint.
By combining a tiered campus network with centralised teaching and the capabilities of the tuition sector, it enables education systems to scale more effectively while maintaining quality.
This is not a radical departure from established principles, but an evolution in their delivery—one that reflects the realities of a globalised and digitally enabled education landscape.