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A Tech-Inclusive Approach to Education
This trade-off is not unique to education, though it is particularly acute in this sphere. In many other areas, technology has shown its ability to resolve this trilemma by reducing the marginal cost of scaling identical-quality services to near zero. This makes its use in education an attractive proposition. The past decade in particular has seen significant debate over education technology (or “edtech”). Participants in this debate tend to argue for one of two approaches to edtech.
One is what we might call “tech-driven”: treating promising technological developments, such as virtual-reality headsets, artificial intelligence-driven personalisation or abundant video content, as neutral “solutions” to problems in education. In this view, technology is seen as a way to replace educators or dramatically reduce their role, and the future of education is primarily or entirely digital. This approach has been likened to putting the cart (technology) before the horse (teaching) and is increasingly out of vogue, as it fails to take into account the complexities of the learning process and the multitude of roles, not all related to teaching, that schools play. At best, this allows for reductions in the cost of large-scale delivery with a significant negative impact on the quality of learning.
The alternative, which has gained much ground recently, might be called “tech-assisted”. The argument here is that technology is at its best when it enhances what teachers already do, supporting tried-and-tested pedagogical methods or saving time. The UK government’s Edtech Strategy is a representative example of this approach. This model minimises disruption to existing classrooms and supports the use of pedagogically sound but time-consuming methods such as peer instruction, comparative judgement or diagnostic questions.
In schools that work well with technology, teachers use online platforms to find safe, vetted, curriculum-aligned content produced by their colleagues and subject experts (within the same school or elsewhere) for their lessons. These can be video lessons that bring world-class experts or senior business leaders into the classroom, polished presentations for whole-class sessions or interactive materials such as maps tagged with relevant information that students can explore by themselves or in small groups. These are the kind of materials that teachers can otherwise spend many hours preparing by themselves every week, redoing work already done by colleagues, while under significant time pressures and with fewer resources to achieve the same high standards.
Once they find the materials they like, teachers can edit content to integrate it into existing lesson plans or implement entire sequenced curricula. Less confident or skilled teachers can benefit from digital platforms that support direct instruction, a pedagogically effective approach that incorporates both learning materials for students and scripted lessons for the teachers to follow. Edtech allows for materials and lesson scripts to be rapidly updated based on evolving curricula and feedback from teachers and learners, ensuring that neither group must ever again work with out-of-date textbooks.
Interactive platforms create new opportunities to test students’ knowledge in an engaging way, to improve recall and, most importantly, to provide accurate and immediate feedback. Students compete with each other on quizzes directly linked to the learning materials and can see how well they are performing in real time. Teachers use insights from the platforms to get an immediate picture of students’ strengths and weaknesses so that, unlike with paper tests, they know exactly why a student got particular questions wrong and are able to build a picture of how their knowledge evolves over time. Edtech platforms can create individualised sets of flashcards for materials that students have struggled with so they can revise them in class or at home, while questions on future quizzes can be automatically adjusted to re-test their knowledge.
Insights from interactive platforms can also inform a more personalised approach to teaching. Teachers bring together students with similar misconceptions – or strengths – for small-group or one-on-one tuition sessions, which can also be delivered through digital platforms for after-school catch-up learning. Digital platforms can help scale “teaching at the right level” programmes, which rely on an initial assessment as well as on ongoing tests to assign students content and activities that are most relevant to their level of knowledge. This approach is particularly important in low-income settings where gaps between children’s understanding and formal curricula can be especially large. Adaptive learning platforms, which help differentiate instruction based on students’ previous performance, are also more effective for students from disadvantaged backgrounds.
A Spotlight on Instructional and Assessment Software
- Kahoot! is an interactive quiz platform used by 9 million teachers worldwide and half of all US students. In a fast-paced classroom activity, students compete with each other to answer questions displayed on a shared screen. Teachers can add their own questions or select from a comprehensive question bank. A review of 93 studies found positive impacts for learning, class dynamics and students’ attitudes, and a reduction in anxiety.
- Nearpod is an interactive platform for planning lesson activities used by 75 per cent of US school teachers. Teachers can add a sequence of their own learning materials, videos and other presentations from Nearpod’s bank of content, as well as tests and other tasks, which students can follow on their own devices or on a screen at the front of the classroom. Regular use of Nearpod has been shown to strongly correlate with academic performance in some districts.
- Mindspark is an adaptive learning platform for maths, English and science used by 500,000 students, primarily in India. It uses data from a set of games, videos and learning activities to identify the learning level of each student and deliver customised content targeted at that level. A randomised controlled trial in India found that after 4.5 months of use, Mindspark users’ knowledge of maths and Hindi increased more than twice as much as that of students going through small-group tuition.
- Oak National Academy is a content platform that was created by teachers in the UK in the early weeks of the Covid-19 pandemic to share resources for remote learning. At its peak, it was used by more than half of the UK’s teachers. The platform now includes over 40,000 resources mapped to UK curricula and has remained in use since schools reopened. Post-lockdown surveys found that children whose teachers used Oak materials were more likely to perform above expectations, and that the materials on the platform are also being used for continuous professional development of teachers.
- Sparx Maths is a homework and assessment platform used by 1.8 million students across 23 countries. The platform automatically provides students with personalised tests and content, including video tutorials, saving teachers up to 200 hours a year on setting and marking homework. Increased use of the platform was found to be linked to better maths performance regardless of students’ socioeconomic background, with one hour of use per week associated with a 30 per cent increase in a school exam grade.
Many such tools have proven successful in formal schooling environments, with leading institutions in many countries making effective use of them. However, tech-assisted education must, by definition, fit within the constraints of existing approaches and is therefore limited in its ability to resolve the crisis trilemma. Its lack of economies of scale means that the benefits of edtech are currently limited to a small subset of schools around the world: spending on education technology is estimated at less than 5 per cent of global education expenditure. Of that total, educational institutions, as opposed to parents or students, account for less than half – and less than a tenth of their digital budgets is spent on instructional or assessment software (see previous examples), even taking into account the surge in demand driven by the Covid-19 pandemic. Education’s lack of digitalisation relative to other sectors means it is missing out on the opportunities that at-scale adoption of technologies creates to resolve the education-crisis trilemma.
More importantly, the pandemic has shown the limits of both approaches. We saw the failure of technology when running up against the constraints of connectivity and device access, lack of physical space for learning and the need to develop digital skills – meaning quality learning was only available to a select few. We also saw that moving traditional ways of teaching online without adapting them to this new digital context resulted in subpar learning experiences.
Learning the lessons of Covid-19 should give us a post-digital perspective on education. We need a more adaptable approach to education systems, where decisions about their design are shaped by the social and material contexts in which learning happens, and the purposes to which it is directed. These decisions should include (though not be limited to) ideas about the most effective and efficient use of technology – that is, education systems should become “tech-inclusive”. Differences in context would mean that the specifics of such decisions would vary across and even within systems. The goal of education policy should be to create an environment that minimises the barriers to those decisions being made freely – and then remade as needs and circumstances evolve.
To give every child access to a world-class education system, we must move on from the debate between “tech-driven” or “tech-assisted” approaches and become “tech-inclusive”, with a focus on conditions within the system as a whole. This, in turn, requires paying equal attention to the different dimensions of good schools (administration, infrastructure, the experience of teachers and learners, and parental engagement) and understanding what good looks like across each of them in any given context. Only then will we be able to fully address the global education crisis.
*To be continued